a. e. hamzah, a. a. a. bakar, m. m. fadhel, n. mohamad sapiee, m. m. elgaud, m. e. hamzah, a. s. k. almoosa, n. f. naim, m. h. h. mokhtar, s. h. md ali, n. arsad, m. s. d. zan.  (2024).  advancing the measurement speed and accuracy of conventional botda fiber sensor systems via soc data acquisition.  - optical fiber technology.  1-11. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, wan mohd ebtisyam mustaqim mohd daniyal, muhammad qayyum othman, fairuz abdullah, ahmad ashrif a. bakar.  (2024).  uv-vis spectroscopy for simple chloride content analysis in edible oil using charged amino-functionalized carbon quantum dots fluorophore reagent.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1-8. 

hafiz zulhazmi jabidin, siti azlida ibrahim, mohd saiful dzulkefly zan, siti musliha aishah musa, amilia mansoor, ngo hong yeap, nurul ain abdul aziz, kan yeep choo, ahmad ashrif a. bakar, mohd ridzuan mokhtar, tee connie, hairul a. abdul-rashid.  (2024).  review on digital signal processing (dsp) algorithm for distributed acoustic sensing (das) for ground disturbance detection.  - international journal of integrated engineering.  102-113. 

wan mohd ebtisyam mustaqim mohd daniyal, yap wing fen, jaafar abdullah, ahmad ashrif a. bakar, mohd adzir mahdi.  (2024).  sensitive and selective cu2 detection via surface plasmon resonance using ionophore decorated nanocrystalline cellulose-graphene oxide thin film.  - sensors and actuators a. physical.  1-11. 

moajjem hossain chowdhury, muhammad e.h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, seyed mehdi rakhtala, m. murugappan, sakib mahmud, nazmul islam shuzan, ahmad ashrif a. bakar, mohd ibrahim bin shapiai, muhammad salman khan, amith khandakar.  (2024).  lgi-rppg-net: a shallow encoder-decoder model for rppg signal estimation from facial video streams.  - biomedical signal processing and control.  1-12. 

nur afifah ahmad nazri, nur hidayah azeman, mohd hafiz abu bakar, nadhratun naiim mobarak, athiyah sakinah masran, ahmad rifqi md zain, mohd adzir mahdi, adhitya gandaryus saputro, triati dewi kencana wung, yunhan luo, ahmad ashrif a bakar.  (2024).  polymeric carbon quantum dots as efficient chlorophyll sensor-analysis based on experimental and computational investigation..  - optics and laser technology.  1-11. 

muhammad asif ahmad khushaini, nur hidayah azeman, tg hasnan tg abdul aziz, ahmad ashrif a. bakar, ahmad rifqi md zain.  (2024).  harnessing quantum plexcitons for enhanced sensitivity and selectivity of creatinine sensor.  - sensors and actuators: b. chemical.  1-9. 

arulampalam kunaraj, iskandar yahya, ahmad aa bakar and puvaneswaran chelvanathan.  (2023).  single-walled carbon nanotube (swcnt) thin film for optoelectronics device prepared by spray coating technique..  - international conference on sustainable, renewable & energy efficiency 2022.  1-9. 

amith khandakar, muhammad chowdhury, mamun ibne reaz, serkan kiranyaz, anwarul hasan, tawsifur rahman, sawal hamid ali, mohd ibrahim shapiai abd. razak, ahmad ashrif bakar, kanchon kanti podder, moajjem hossain chowdhury, ahasan atick faisal, rayaz malik.  (2023).  dspnet: a self-onn model for robust dspn diagnosis from temperature maps.  - ieee sensors journal.  5370-5381. 

fahmida haque, mamun b. i. reaz, muhammad e. h. chowdhury, mohd ibrahim bin shapiai, rayaz a. malik, mohammed alhatou, syoji kobashi, iffat ara, sawal h. m. ali, ahmad a. a. bakar, and mohammad arif sobhan bhuiyan.  (2023).  a machine learning-based severity prediction tool for the michigan neuropathy screening instrument.  - diagnostics.  1-16. 

ahmad ashrif bin a bakar;ahmad rifqi bin md zain;mohd hadri hafiz bin mokhtar.  (2023).  advancement of optical microfiber sensor based on structure modification and sensing techniques for smart farming..  - .  . 

mohd saiful dzulkefly bin zan;norhana binti arsad;ahmad ashrif bin a bakar;mohd hadri hafiz bin mokhtar.  (2023).  cross-spectral analysis for narrowed brillouin spectrum width and centimeter-order spatial resolution measurements in brillouin optical time domain reflectometry (botdr) fiber sensor.  - .  . 

muhammad asif ahmad khushaini, nur hidayah azeman, tg hasnan tg abdul aziz, ahmad ashrif a bakar, richard m. de la rue, ahmad rifqi md zain , burhanuddin yeop majlis, clarence augustine thtee.  (2023).  third-order nonlinearity with subradiance dark-state in ultra-strong excitons and surface plasmon coupling using self-antiaggregation organic dye.  - physica scripta.  1-11. 

ahmad ashrif bin a bakar;norhana binti arsad;mohd saiful dzulkefly bin zan;md. mamun bin ibne reaz;nadhratun naiim binti mobarak;mohd hadri hafiz bin mokhtar;nur hidayah azeman.  (2023).  characterisation of succinyl and phosphonic carrageenan as the sensing material of the optical fiber sensor on ammonium ion aqueous .  - .  . 

md nazmul islam shuzan, muhammad e.h. chowdhury, mamun bin ibne reaz, amith khandakar, farhan fuad abir, md. ahasan atick faisal, sawal hamid md ali, ahmad ashrif a. bakar, moajjem hossain chowdhury, zaid b. mahbub, m. monir uddin, mohammed alhatou.  (2023).  machine learning-based classification of healthy and impaired gaits using 3d-grf signals.  - biomedical signal processing and control.  1-13. 

bakr ahmed taha, qussay al-jubouri, yousif al mashhadany, mohd hadri hafiz mokhtar, mohd saiful dzulkefly bin zan, ahmad ashrif a. bakar and norhana arsad.  (2023).  density estimation of sars-cov2 spike proteins using super pixels segmentation technique.  - applied soft computing.  10210-10220. 

aqilah baseri huddin, norhana arsad, syahirah abd halim, nasharuddin zainal, mohd hairi mohd zaman, ahmad ashrif a bakar.  (2023).  pemerkasaan pelajar jkees melalui program pembangunan dan pemantapan kecemerlangan akademik.  - prosiding persidangan pendidikan kejuruteraan dan alam bina 2023.  97-99. 

aqilah baseri huddin, norhana arsad, syahirah abdul halim, nasharudin zainal, mohd hairi mohd zaman, ahmad ashrif a bakar.  (2023).  pemerkasaan pelajar jkees melalui program pembangunan dan pemantapan kecemerlangan akademik.  - persidangan pendidikan kejuruteraan dan alam bina 2023.  1-11. 

nurul ain shafiqah anuar, tay chia-chay, ahmad ashrif abu-bakar, nur hidayah azeman, nurul fariha lokman..  (2023).  adsorption of pb (ii) ions in water with natural kenaf beads.  - journal of advanced research in applied sciences and engineering technology.  179-187. 

ahmed sabri kadhim almoosa, mohd saiful dzulkefly zan, mohd faisal ibrahim, norhana arsad, mohd hadri hafiz mokhtar, ahmad ashrif a. bakar, and yu. a. konstantinov.  (2023).  enhancing the temperature-measurement efficiency in the brillouin optical time-domain reflectometry (botdr) fiber sensor with the k-nearest neighbor (k-nn) algorithm.  - instruments and experimental techniques.  745-752. 

rozita sulaiman, nur hidayah azeman, mohd hafiz abu bakar, nur afifah nazri, athiyah sakinah masran, ahmad ashrif a bakar..  (2023).  nitrate classification based on optical absorbance data using machine learning algorithms for a hydroponics system.  - applied spectroscopy.  210-219. 

muhammad asif a. khushaini, nur hidayah azeman, chin-hoong teh, rusli daik, ahmad ghadafi ismail, burhanuddin yeop majlis, muhammad mat salleh, wan ahmad hafiz wan md adnan, tg hasnan tg abdul aziz, ahmad ashrif a bakar, ahmad rifqi md zain.  (2022).  electrochemical metallization process on screen-printed electrode for creatinine monitoring application.  - ieee sensors journal.  9268-9275. 

muhammad asif ahmad khushaini, nur hidayah azeman, muhamad mat salleh, tg hasnan tg abdul aziz, ahmad ashrif a bakar, richard m. de la rue, ahmad rifqi md zain.  (2022).  exploiting a strong coupling regime of organic pentamer surface plasmon resonance based on the otto configuration for creatinine detection.  - optics express.  14478-14491. 

mohd hadri hafiz bin mokhtar;norhana binti arsad;ahmad ashrif bin a bakar;mohd saiful dzulkefly bin zan.  (2022).  multi-spectral optical imaging system for multi-layered interrogation of phantom tissue using optical scanning microscopy..  - .  . 

bakr ahmed taha, qussay al jubouri, yousif al mashhadany, mohd saiful dzulkefy bin zan, ahmad ashrif a. bakar, mahmoud muhanad fadhel and norhana arsad.  (2022).  photonics enabled intelligence system to identify sars cov 2 mutations.  - applied microbiology and biotechnology.  1-16. 

fahmida haque, mamun b. i. reaz, muhammad e. h. chowdhury, serkan kiranyaz, sawal h. m. ali, mohammed alhatou, rumana habib, ahmad a. a. bakar, norhana arsad, geetika srivastava.  (2022).  performance analysis of conventional machine learning algorithms for diabetic sensorimotor polyneuropathy severity classification using nerve conduction studies.  - computational intelligence and neuroscience.  1-13. 

md shafayet hossain, muhammad e. h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, ahmad ashrif a. bakar, serkan kiranyaz, amith khandakar, mohammed alhatou, rumana habib, muhammad maqsud hossain.  (2022).  motion artifacts correction from single-channel eeg and fnirs signals using novel wavelet packet decomposition in combination with canonical correlation analysis.  - sensors.  1-24. 

kh shahriya zaman, mamun bin ibne reaz, ahmad ashrif abu bakar, mohammad arif sobhan bhuiyan, norhana arsad, mohd hadri hafiz bin mokhtar, sawal hamid md ali.  (2022).  minimum signed digit approximation for faster and more efficient convolutional neural network computation on embedded devices.  - engineering science and technology, an international journal.  1-9. 

ahmad ashrif bin a bakar;iskandar bin yahya;nur hidayah azeman.  (2022).  coastal upwelling and phytoplankton biomass observation along the east coast peninsular malaysia with advanced integrated ocean sensing system.  - .  . 

norhana binti arsad;ahmad ashrif bin a bakar;norazreen binti abd aziz;mohd saiful dzulkefly bin zan;mohd hadri hafiz bin mokhtar.  (2022).  evanescent field and adiabaticity study based on microfibers and nanofibers (mnfs) for optical fiber sensor applications.  - .  . 

mohd saiful dzulkefly bin zan;norhana binti arsad;ahmad ashrif bin a bakar;mohd hadri hafiz bin mokhtar.  (2022).  development of high sensitivity time-division multiplexing fiber bragg grating (tdm-fbg) sensor for continuous shaft bearing wear down monitoring in navy ship.  - .  . 

nur hidayah azeman, mohd hafiz abu bakar, nur afifah ahmad nazri, nadhratun naiim mobarak, muhammad asif ahmad khushaini, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, ahmad ashrif a. bakar.  (2022).  carboxymethyl chitosan/graphene oxide/silver nanotriangles nanohybrid as the sensing materials for the enhancement of ammonia localized surface plasmon resonance sensor.  - optics and laser technology.  1-12. 

yu chen, yaofei chen, weicheng shi, shiqi hu, qizhang huang, gui-shi liu, jifu shi, lei chen, nur hidayah azeman, ahmad ashrif a bakar, yunhan luo, zhe chen..  (2022).  mos2-nanoflower enhanced programmable adsorption/desorption plasmonic detection for bipolar-molecules with high sensitivity.  - biosensors and bioelectronics.  1-7. 

nur dalilla nordin, fairuz abdullah, mohd saiful dzulkefly zan, ahmad ashrif a bakar, anton i. krivosheev, fedor l. barkov and yuri a. konstantinov.  (2022).  improving prediction accuracy and extraction precision of frequency shift from low-snr brillouin gain spectra in distributed structural health monitoring.  - sensors.  1-17. 

md. shafayet hossain, mamun ibne reaz, muhammad e. h. chowdhury, sawal h. m. ali, ahmad ashrif a. bakar, serkan kiranyaz, amith khandakar, mohammed alhatou, rumana habib.  (2022).  motion artifacts correction from eeg and fnirs signals using novel multiresolution analysis.  - ieee access.  29760-29777. 

fahmida haque, mamun bin ibne reaz, muhammad enamul hoque chowdhury, maymouna ezeddin, serkan kiranyaz, mohammed alhatou, sawal hamid md ali, ahmad ashrif a bakar, geetika srivastava.  (2022).  machine learning-based diabetic neuropathy and previous foot ulceration patients detection using electromyography and ground reaction forces during gait.  - sensors.  1-23. 

amith khandakar, muhammad e. h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, tariq o. abbas , tanvir alam, mohamed arselene ayari, zaid b. mahbub, rumana habib, tawsifur rahman, anas m. tahir, ahmad ashrif a. bakar and rayaz a. malik.  (2022).  thermal change index based diabetic foot thermogram image classification using machine learning techniques.  - sensors.  1-17. 

nur afifah ahmad nazri , nur hidayah azeman , mohd hafiz abu bakar, nadhratun naiim mobarak,yunhan luo, norhana arsad , tg hasnan tg abd aziz, ahmad rifqi md zain, ahmad ashrif a. bakar.  (2022).  localized surface plasmon resonance decorated with carbon quantum dots and triangular ag nanoparticles for chlorophyll detection.  - nanomaterials.  1-12. 

nur hidayah azeman, ahmad ashrif a bakar, mohd saiful dzulkefly zan.  (2022).  sensor optik berasaskan bahan penderia polisakarida bagi penentuan kualiti air.  - .  185. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, rozita sulaiman, norhana arsad, mohd adzir mahdi, ahmad ashrif a bakar.  (2022).  succinyl-carrageenan on a localised surface plasmon resonance fiber sensor for ammonium ion assays.  - journal of materials chemistry c.  17258-17265. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, norhana arsad, ahmad ashrif a. bakar..  (2022).  succinyl-k-carrageenan silver nanotriangles composite for ammonium localized surface plasmon resonance sensor.  - polymers.  1-17. 

kh shahriya zaman, mamun bin ibne reaz, sawal hamid md ali, ahmad ashrif a bakar, muhammad enamul hoque chowdhury.  (2022).  custom hardware architectures for deep learning on portable devices: a review.  - ieee transactions on neural networks and learning systems.  6068-6088. 

moajjem hossain chowdhury, md nazmul islam shuzan, muhammad e. h. chowdhury, mamun bin ibne reaz, sakib mahmud, nasser al emadi, mohamed arselene ayari, sawal hamid md ali, ahmad ashrif a. bakar, syed mahfuzur rahman and amith khandakar.  (2022).  lightweight end-to-end deep learning solution for estimating the respiration rate from photoplethysmogram signal.  - bioengineering.  1-15. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, mamum b. i. reaz, and ahmad ashrif a. bakar.  (2022).  distortion-free multiwavelength imaging operation of endoscopic scanning microscopy.  - ieee 9th international conference on photonics 2022.  1-16. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, mamum b. i. reaz and ahmad ashrif a bakar.  (2022).  distortion-free multiwavelength imaging operation of endoscopic scanning microscopy.  - 2022 ieee 9th international conference on photonics (icp).  41-42. 

amith khandakar, sakib mahmud, muhammad e. h. chowdhury, mamun bin ibne reaz, serkan kiranyaz, zaid bin mahbub, sawal hamid md ali, ahmad ashrif a. bakar, mohamed arselene ayari, mohammed alhatou, mohammed abdul-moniem.  (2022).  design and implementation of a smart insole system to measure plantar pressure and temperature.  - sensors.  1-18. 

nakib hayat chowdhury, mamun bin ibne reaz, sawal hamid md ali, shamim ahmad, maría liz crespo, andrés cicuttin, fahmida haque, ahmad ashrif a. bakar and mohammad arif sobhan bhuiyan.  (2022).  nomogram-based chronic kidney disease prediction model for type 1 diabetes mellitus patients using routine pathological data.  - journal of personalized medicine.  1-15. 

nur afifah ahmad nazri, nur hidayah azeman, mohd hafiz abu bakar, nadhratun naiim mobarak, tg hasnan tg abd aziz, ahmad rifqi md zain, norhana arsad, yunhan luo and ahmad ashrif a. bakar.  (2022).  chlorophyll detection by localized surface plasmon resonance using functionalized carbon quantum dots triangle ag nanoparticles.  - nanomaterials.  1-11. 

norhana arsad, razali muda, ahmad ashrif a bakar.  (2022).  gentian optik tingkat pemantauan alam sekitar.  - .  189. 

mohd saiful dzulkefly zan, ahmed sabri kadhim almoosa, mohd faisal ibrahim, mohamed m. elgaud, abdulwahhab essa hamzah, norhana arsad, mohd hadri hafiz mokhtar, ahmad ashrif a. bakar.  (2022).  the effect of pulse duration on the brillouin frequency shift accuracy in the differential cross-spectrum botdr (dcs-botdr) fiber sensor.  - optical fiber technology.  1-8. 

mohd hadri hafiz bin mokhtar, norhana binti arsad, ahmad ashrif bin a bakar, mohd saiful dzulkefly bin zan.  (2022).  multi-spectral optical imaging system for multi-layered interrogation of phantom tissue using optical scanning microscopy.  - .  1-6. 

yang sing leong, mohd hadri hafiz mokhtar, amirul asyraf zukhri, mohd saiful dzulkefly zan, norhana arsad, mamun b.i. reaz, ahmad ashrif a. bakar.  (2022).  frequency-phase shift correction of interlaced lissajous trajectories for precise imaging in endoscopic scanning microscopy.  - optics and lasers in engineering.  1-10. 

amith khandakar, muhammad e. h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, serkan kiranyaz, tawsifur rahman, moajjem hossain chowdhury, mohamed arselene ayari, rashad alfkey, ahmad ashrif a. bakar, rayaz a. malik, anwarul hasan.  (2022).  a novel machine learning approach for severity classification of diabetic foot complications using thermogram images.  - sensors.  1-23. 

md. mamun bin ibne reaz;noorfazila binti kamal;sawal hamid bin md ali;ahmad ashrif bin a bakar.  (2021).  a real time emg signal measurement system using capacitive biosensor and multi-stage analog filter.  - .  . 

mohamed m. elgaud, mohd saiful dzulkefly zan, abdulfatah a. g. abushagur, abdulwahhab e. hamzah, mohd hadri hafiz mokhtar, norhana arsad and ahmad ashrif a. bakar.  (2021).  digital filtering techniques for performance improvement of golay coded tdm-fbg sensor.  - sensors.  1-14. 

bakr ahmed taha, yousif al mashhadany, nur nadia bachok, ahmad ashrif a bakar, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad.  (2021).  detection of covid-19 virus on surfaces using photonics: challenges and perspectives.  - diagnostics.  1-17. 

mohd saiful dzulkefly zan, mohamed m. elgaud, ahmed sabri kadhim and ahmad ashrif a. bakar.  (2021).  improving the performance of brillouin scattering-based distributed fiber optic sensors: recent advancement.  - 2021 ieee symposium on wireless technology & applications (iswta).  77-81. 

suraya abdullah, nur hidayah azeman, nur hasiba kamaruddin, nadhratun naiim mobarak, ahmad ashrif a bakar..  (2021).  localized spr for pb(ii) ion sensing utilizing chitosan/reduced graphene oxide nanocomposite.  - jurnal optoelektronik.  1-13. 

muhammad asif ahmad khushaini, nur hidayah azeman, ahmad ghadafi ismail, chin hoong teh, muhammad mat salleh, ahmad ashrif a. bakar, tg hasnan tg abdul aziz, ahmad rifqi md zain.  (2021).  high stability resistive switching mechanism of a screen printed electrode based on bobzbt2 organic pentamer for creatinine detection.  - scientific reports.  1-11. 

nur hasiba kamaruddin, nur hidayah azeman, mohd hadri hafiz mokhtar and ahmad ashrif a bakar.  (2021).  continuous detection of pb(ii) utilizing chitosan-graphene oxide surface plasmon resonance sensors based on ag/au and au/ag/au nanolayers.  - jurnal optoelektronik.  1-10. 

abdulfatah a. g. abushagur, norhana arsad, mohamed m. elgaud, ahmad ashrif a. bakar.  (2021).  evaluation of a novel spectral pair of a chirp fbg embedded in a cantilever beam for simultaneous temperature and transverse forces measurement.  - ieee access.  7701-7709. 

amith khandakar, muhammad e.h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, md anwarul hasan, serkan kiranyaz, tawsifur rahman, rashad alfkey, ahmad ashrif a. bakar, rayaz a. malik.  (2021).  a machine learning model for early detection of diabetic foot using thermogram images.  - computers in biology and medicine.  1-10. 

muhammad kashif, mohd hadri hafiz mokhtar, nur hidayah azeman, fazida hanim hashim, norhana arsad, abdulfatah a.g. abushagur, ahmad ashrif a. bakar.  (2021).  phase-interrogated surface plasmon resonance sensor based on laser feedback interferometry.  - optics and lasers in engineering.  1-7. 

mohd saiful dzulkefly zan*, mohamed m elgaud, azri razlan zainuddin, ahmed sabri kadhim, mohd hadri hafiz mokhtar, norhana arsad and ahmad ashrif a. bakar.  (2021).  simulation analysis on the simultaneous deployment of brillouin gain and loss in coded brillouin optical time domain analysis (botda) fiber sensor.  - international laser technology and optics symposium 2020 (ilatos2020).  1-4. 

nur afifah ahmad nazri, nur hidayah azeman, yunhan luo, ahmad ashrif a bakar.  (2021).  carbon quantum dots for optical sensor applications: a review.  - optics and laser technology.  1-14. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, mamun ibne reaz, ahmad ashrif a. bakar.  (2021).  optical-mechanical configuration of imaging operation for endoscopic scanner: a review.  - ieee access.  32705-32722. 

fahmida haque, mamun bin ibne reaz, muhammad e.h. chowdhury, sawal hamid md ali, ahmad ashrif a bakar, tawsifur rahman, syoji kobashi, chitra a. dhawale, mohammad arif sobhan bhuiyan.  (2021).  a nomogram-based diabetic sensorimotor polyneuropathy severity prediction using michigan neuropathy screening instrumentations.  - computers in biology and medicine.  1-11. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, mamun bin ibne reaz, ahmad ashrif a. bakar.  (2021).  frequency and phase drift in scanning trajectory for endoscopic imaging system.  - the 8th international conference on electrical engineering and informatics.  1-12. 

yang sing leong, ahmad ashrif a bakar, mohd saiful dzulkefly zan,norhana arsad, mamun bin ibne reaz, mohd hadri hafiz mokhtar.  (2021).  frequency and phase drift in scanning trajectory for endoscopic imaging system.  - 2021 international conference on electrical engineering and informatics (iceei).  1-4. 

nur hidayah azeman, muhammad asif ahmad khushaini, rusli daik, ahmad ghadafi ismail, burhanuddin yeop majlis, muhammad mat salleh, tg hasnan tg abdul aziz, ahmad ashrif a bakar, ahmad rifqi md zain, chin-hoong teh.  (2021).  synthesis of a 1,4-bis[2-(5-thiophen-2-yl)-1-benzothiophene]-2,5- dioctyloxybenzene pentamer for creatinine detection.  - asian journal of organic chemistry.  2406-2417. 

nakib hayat chowdhury, mamun bin ibne reaz, fahmida haque, shamim ahmad, sawal hamid md ali, ahmad ashrif a bakar, mohammad arif sobhan bhuiyan.  (2021).  performance analysis of conventional machine learning algorithms for identification of chronic kidney disease in type 1 diabetes mellitus patients.  - diagnostics.  1-17. 

norhana binti arsad;ahmad ashrif bin a bakar.  (2021).  development of microsurgical instrument employing customized fiber bragg grating for tri-axis force measurement.  - .  . 

rabindra gandhi thangarajoo, mamun bin ibne reaz, geetika srivastava, fahmida haque, sawal hamid md ali, ahmad ashrif a. bakar and mohammad arif sobhan bhuiyan.  (2021).  machine learning-based epileptic seizure detection methods using wavelet and emd-based decomposition techniques: a review.  - sensors.  1-34. 

mohammed jawad ahmed alathari,yousif al mashhadany,mohd hadri hafiz mokhtar,norhafizah burham, mohd saiful dzulkefly bin zan,ahmad ashrif a bakar, norhana arsad.  (2021).  human body performance with covid-19 affectation according to virus specification based on biosensor techniques.  - sensors.  1-26. 

abdulfatah a. g. abushagur, norhana arsad, and ahmad ashrif a. bakar.  (2021).  cantilever beam with a single fiber bragg grating to measure temperature and transversal force simultaneously.  - sensors.  1-13. 

haroon rashid, nurfarhana mohamad sapiee, norhana arsad, harith ahmad, ahmad ashrif a bakar, mamun ibne reaz.  (2021).  fabrication of a carbon nanotube/tungsten disulfide visible spectrum photodetector.  - applied optics.  2839-2845. 

fahmida haque, mamun bin ibne reaz, muhammad enamul hoque chowdhury, geetika srivastava, sawal hamid md ali, ahmad ashrif a bakar, and mohammad arif sobhan bhuiyan.  (2021).  performance analysis of conventional machine learning algorithms for diabetic sensorimotor polyneuropathy severity classification.  - diagnostics.  1-13. 

norhana binti arsad;sahbudin bin shaari;noorfazila binti kamal;ahmad ashrif bin a bakar;mohd syuhaimi bin ab rahman;rizafizah binti othaman;zuraidah binti che` man;mohd saiful dzulkefly bin zan.  (2021).  investigation of highly sensitive chemical material for oscc biomaker application.  - .  . 

mohd saiful dzulkefly zan, mohd hadri hafiz mokhtar, mohamed m. elgaud, ahmad. ashrif a. bakar, norhana arsad and mohd adzir mahdi..  (2020).  pulse coding technique in differential cross-spectrum botdr for improving the brillouin frequency accuracy and spatial resolution.  - 2020 ieee 8th international conference on photonics (icp).  11-12. 

mohd hadri hafiz bin mokhtar;norhana binti arsad;ahmad ashrif bin a bakar.  (2020).  endoscopic laser scanning microscopy and preferential illumination using optical fibre..  - .  . 

nur hidayah azeman, norhana arsad and ahmad ashrif a bakar.  (2020).  polysaccharides as the sensing material for metal ion detection-based optical sensor applications.  - sensors.  1-22. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, mohd hadri hafiz mokhtar, ahmad ashrif a bakar.  (2020).  effect of active site modification towards performance enhancement in biopolymer k-carrageenan derivatives.  - polymers.  1-13. 

meng chung leong, wen yan lam, mohd saiful dzulkefly zan, norhana arsad, ahmad ashrif a bakar, mohd hadri hafiz mokhtar.  (2020).  contactless vibration sensing and acoustics wave detection based on laser feedback interferometer.  - 2020 ieee 8th international conference on photonics (icp).  91-92. 

ahmad ashrif bin a bakar.  (2020).  development of optical fibre sensing techniques based on the derivatives of chitosan and carrageenan incorporated with carbon nanotubes for the water quality monitoring.  - .  . 

md. akhtaruzzaman;norhana binti arsad;sawal hamid bin md ali;ahmad ashrif bin a bakar;muhammad faiz bin bukhori;iskandar bin yahya;masita binti mohammad.  (2020).  development of earth-abundant, high stability and non-toxic cu2sns3 (cts) thin film solar cells for hot climatic conditions.  - .  . 

mohd saiful dzulkefly zan, mohamed m elgaud, abdulfatah abushagur ghaith abushagur, abdulwahhab essa hamzah, jessica wei shan teo, wei yi kiew, mohd hadri hafiz mokhtar, norhana arsad and ahmad ashrif a. bakar.  (2020).  spatial resolution enhancement of time domain multiplexing fiber bragg grating sensor by employing differential golay codes.  - 2020 ieee 8th international conference on photonics (icp).  54-55. 

norhana binti arsad;siti salasiah binti mokri;ahmad ashrif bin a bakar;norazreen binti abd aziz;md. mamun bin ibne reaz;mohd hadri hafiz bin mokhtar.  (2020).  sustainable energy management through optimized consumption in home utilizing multiagent system.  - .  . 

ahmad ashrif bin a bakar;md. mamun bin ibne reaz;mohd hadri hafiz bin mokhtar;nur hidayah azeman.  (2020).  iot optical sensor based on novel polysaccharides derivatives nanocoating material for real-time water quality monitoring.  - .  . 

mohd hadri hafiz bin mokhtar;norhana binti arsad;ahmad ashrif bin a bakar.  (2020).  a novel approach to cell imaging and preferential manipulation using optical fibre scanning microscopy for optogenetics application.  - .  . 

abdulwahhab essa hamzah, mohd saiful dzulkefly zan, mohamed elgaud, mahmoud muhanad fadhel, sara ali alwash, abdulfatah ag abushagur, mohd hadri hafiz mokhtar, nur hidayah azeman, sawal hamid bin mohd ali, ahmad ashrif a bakar.  (2020).  signal generation using system on chip for coded fiber bragg grating sensor.  - 2020 ieee 8th international conference on photonics (icp).  80-81. 

nur dalilla nordin, fairuz abdullah, mohd saiful dzulkefly zan, aiman ismail, md zaini jamaludin and ahmad ashrif a bakar.  (2020).  fast temperature extraction approach for botda using generalized linear model.  - 2020 ieee 8th international conference on photonics (icp).  13-14. 

mohamed m. elgaud, mohd saiful dzulkefly zan, abdulfatah abushagur ghaith, ahmad ashrif a. bakar, norhana arsad, nani fadzlina naim and mohd hadri hafiz mokhtar.  (2019).  improving the signal-to-noise ratio of time domain fiber bragg grating sensor based on hybrid simplex and golay coding technique.  - ieee access.  89-98. 

f. abdurrahman, n. arsad, a. ashrif a. bakar, gan kok beng, s. shaari.  (2019).  modified multimode polimer optical nanofiber for volatile organic compound sensing in room temperature.  - journal of optoelectronics and advanced materials.  313-319. 

nurul fariha lokman, nur hidayah azeman, fatihah suja', norhana arsad and ahmad ashrif a bakar.  (2019).  sensitivity enhancement of pb(ii) ion detection in rivers using spr-based ag metallic layer coated with chitosan-graphene oxide nanocomposite.  - sensors.  1-17. 

abdulfatah a.g. abushagur ; norhana arsad ; mohd hadri hafiz mokhtar ; ahmad ashrif a bakar.  (2019).  high sensitive microsurgical force sensor using spectral-width of tapered fiber bragg gratings.  - 2019 ieee international conference on biophotonics (biophotonics).  1-2. 

meng sheng leong, amirul ashrf zukhri @ zuhairi, mohd saiful dzulkeffly zan, norhana arsad, ahmad ashrif a bakar, mohd hadri hafiz mokhtar.  (2019).  lissajous scanning microscopy using tailored optical fibre.  - 2019 ieee international conference on biophotonics (biophotonics).  1-2. 

tan hock kin, norhana arsad, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, nur hidayah azeman and ahmad ashrif a bakar.  (2019).  development of internet of things optical sensor based on surface plasmon resonance phase interferometry.  - international journal of engineering & technology.  . 

atiqah yusoff, nur hidayah azeman, muhammad faizal mohamed kassim, nadhratun naiim mobarak, khairiah haji badri, mohd adzir mahdi, mohd sukor su'ait and ahmad ashrif a. bakar.  (2019).  bio-based polycationic polyurethane as an ion-selective membrane for nitrate tapered optical fiber sensor.  - ieee access.  15710-15711. 

p s menon, s m gan, n r mohamad, n a jamil, k a tarumaraja, n r razak, a a a bakar, w m mukhtar, n f murat, r mohamed, n b khairulazdan, f a said.  (2019).  kretschmann based surface plasmon resonance for sensing in visible region.  - 2019 ieee 9th international nanoelectronics conferences, inec 2019.  1-6. 

musab am al-tarawni, a ashrif a bakar, ahmad rifqi md zain, a tarawneh mou'ad, sahrim hj ahmad.  (2019).  enhancing the performance of strip and 180 degree slot waveguide bends for integrated optical waveguide modulator.  - optical engineering.  1-9. 

abdulfatah a. g. abushagur, norhana arsad, mohamed m. elgaud, ahmad ashrif a bakar.  (2019).  development of a 1-dof force sensor prototype incorporating tapered fiber bragg grating for microsurgical instruments.  - ieee access.  16852. 

mohd syuhaimi bin ab rahman;norhana binti arsad;ahmad ashrif bin a bakar;ashrani aizzuddin bin abd rahni;nazrul anuar bin nayan.  (2019).  ke arah sistem rangkaian wdm-pof masa hadapan dengan ciri-ciri keboleharapan dan keselamatan yang tinggi.  - .  1-5. 

juwadi prak ser, lee chia cheng, farah shahrim, ahmad ashrif a bakar ,m.h.h mokhtar.  (2019).  identification of experimental back-scattered signal for optical fibre resonant scanner.  - jurnal kejuruteraan.  169-175. 

wan baihaqi wan ab rahman, nur hidayah azeman,nur hasiba kamaruddin, p susthitha menon, arafat a shabaneh, mohd adzir mahdi, mohd hadri hafiz mokhtar, norhana arsad, ahmad ashrif a bakar.  (2019).  label-free detection of dissolved carbon dioxide utilizing multimode tapered optical fiber coated zinc oxide nanorice.  - ieee access.  . 

mohd saiful dzulkefly zan, mohamed m. elgaud and ahmad ashrif a. bakar.  (2019).  coding the optical pulse in tdm-fbg sensors with hybrid simplex- and golay codes for snr improvement.  - 2019 24th optoelectronics and communications conference (oecc) and 2019 international conference on photonics in switching and computing (psc).  1-3. 

norhana arsad, siti norul huda bt sheikh abdullah, noorfazila kamal, siti salasiah mokri, ahmad ashrif a bakar, mohd hadri hafiz mokhtar dan mohd saiful dzulkefly zan.  (2019).  keberkesanan e-law@sekolah dalam swapencegahan jenayah.  - karnival inovasi pengajaran dan pembelajaran ke-5 2019 (k-novasi).  1. 

suraya abdullah, nur hidayah azeman, nadhratun naiim mobarak, mohd saiful dzulkefly zan, ahmad ashrif a. bakar.  (2018).  sensitivity enhancement of localized spr sensor towards pb(ii) ion detection using natural bio-polymer based carrageenan.  - optik.  . 

ahmad ashrif a. bakar, muhammad faiz bukhori, aida baharuddin, ahmad yunus misdi, intan safia zainal, norhana arsad, seri mastura mustaza.  (2018).  makex world robotic championship 2018, guanzhou, china.  - bulletin pke edisi 2018 bil. 4.  1-7. 

abedini, a., saraji, m., bakar, a.a.a., susthitha menon, p., shaari, s..  (2018).  gamma-radiation-assisted synthesis of luminescent zno/ag heterostructure core-shell nanocomposites.  - plasmonics.  . 

nur hazliza ariffin, iza rozwan iskandar zakaria, norhana arsad, ahmad ashrif abu bakar, badariah bais, mohd saiful dzulkefly zan.  (2018).  autonomous mems gyroscope and accelerometer for north finding system.  - journal of telecommunication, electronic and computer engineering.  13-17. 

nurayuni albakri, suraya abdullah, latifah sarah supian, norhana arsad, saiful dzulkefly zan, ahmad ashrif a bakar.  (2018).  assessment of palm oil fruit bunch maturity based on diffuse reflectance spectroscopy technique.  - 2018 ieee 7th international conference on photonics (icp).  . 

ahmad faris aiman asha'ari, ahmad ashrif a. bakar, nani fadzlina naim.  (2018).  design of optical frequency domain reflectometer (ofdr) interferometer based on fiber bragg grating (fbg) for passive optical network (pon) monitoring.  - 2018 ieee 7th international conference on photonics (icp).  . 

ku nur adzmina ku hassan, mohamed elgaud, mohd sukor suait, ahmad ashrif a bakar and mohd saiful dzulkefly zan.  (2018).  signal to noise improvement ratio of tdm-fbg sensor based on golay complementary codes.  - 2018 ieee 7th international conference on photonics (icp2018).  . 

m. m. elgaud, ahmad ashrif a bakar, abdulfatah abushagur ghaith, nani fadzlina naim, norhana arsad, mohd hadri hafiz mokhtar, nur hidayah azeman, mohd saiful dzulkefly zan.  (2018).  pulse compressed time domain multiplexed fiber bragg grating sensor: a comparative study.  - ieee access.  . 

muhammad faiz bukhori, ahmad ashrif a. bakar, aida baharuddin, ahmad yunus misdi, mohd hairi mohd zaman, ahmad asrul ibrahim, nor azwan mohamad kamari.  (2018).  bulletin pke edisi 2018 bil. 2.  - bulletin pke edisi 2018 bil. 2.  . 

muhammad faiz bukhori, ahmad ashrif a. bakar, aida baharuddin, ahmad yunus misdi, hafizah husain, siti salasiah mokri, hilmi sanusi, siti zaida md yasir, anis amirah alim, norhana arsad.  (2018).  bulletin pke edisi 2018 bil. 1.  - bulletin pke edisi 2018 bil. 1.  . 

fareeza jasmi, nur hidayah azeman, ahmad ashrif a. bakar, mohd saiful dzulkefly zan, khairiah haji badri, mohd sukor su'ait.  (2018).  ionic conductive polyurethane-graphene nanocomposite for performance enhancement of optical fiber bragg grating temperature sensor.  - ieee access.  . 

sarada idris, nur hidayah azeman, noor azwen noor azmy, chantara thevy ratnam, mohd adzir mahdi and ahmad ashrif a. bakar.  (2018).  gamma irradiated py/pva for gox immobilization on tapered optical fiber for glucose biosensing.  - sensors and actuators b: chemical.  . 

fairuz abdullah, makhfudzah mokhtar, siti barirah ahmad anas, nurul asyikin mohd. radzi, ahmad ashrif a. bakar, mohd saiful dzulkefly zan, norhana arsad, dilla duryha.  (2018).  2018 ieee 7th international conference on photonics (icp).  - 2018 ieee 7th international conference on photonics (icp).  . 

nani fadzlina naim, a. ashrif a. bakar, mohammad syuhaimi ab-rahman.  (2018).  fault identification and localization for ethernet passive optical network using l-band ase source and various types of fiber bragg grating.  - optical fiber technology.  159-164. 

muhammad faiz bukhori, ahmad ashrif a. bakar, aida baharuddin, ahmad yunus misdi, hidayah azeman, nor fadzilah abdullah, norhana arsad, rosdiadee nordin, siti zaida md yasir.  (2018).  bulletin pke edisi 2018 bil. 3.  - bulletin pke edisi 2018 bil. 3.  . 

ahmad ashrif bin a bakar;sahbudin bin shaari;norhana binti arsad.  (2018).  investigation of all optical ecg electrode using electro-optic polymer waveguide design.  - .  . 

ahmad ashrif bin a bakar;sahbudin bin shaari;norhana binti arsad;huda binti abdullah;mohd saiful dzulkefly bin zan.  (2018).  investigation of multi-metallic chitosan-graphene oxide surface plasmon resonance sensor for heavy metal ion detection in aqueous.  - .  . 

ahmad ashrif bin a bakar;sahbudin bin shaari;mohd saiful dzulkefly bin zan.  (2018).  investigation of optical fiber sensor system for comprehensive environmental and structural health monitoring.  - .  . 

badariah binti bais;ahmad ashrif bin a bakar;muhammad faiz bin bukhori;nowshad amin;iskandar bin yahya.  (2018).  surface modification with nano-structures and nano-scale thin film coating for enhanced opto-electronic conversion by increased activation area.  - .  . 

noor azwen noor azmy, ahmad ashrif a bakar, norhana arsad, sarada idris, abdul rahman mohmad, aidil abdul hamid.  (2017).  enhancement of zno-rgo nanocomposite thin films by gamma radiation for e. coli sensor.  - applied surface science.  1134-1143. 

musab am al-tarawni, a ashrif a bakar, ahmad rifqi md zain, a tarawneh mou`ad, sahrim hj ahmad.  (2017).  improvement of integrated electric field sensor based on hybrid segmented slot waveguide.  - optical engineering.  1-15. 

nurul fariha lokman, ahmad ashrif abu bakar, suhaimi abdul talib, fatihah suja'.  (2017).  spr response of cs-go nanostructured thin films for selective detection of pb(ii) ions in the saigon river, vietnam.  - desalination and water treatment.  180-186. 

musab a. m. al-tarawni, a. ashrif a. bakar, ahmad rifqi md zain, mouad a. tarawneh and sahrim hj. ahmad.  (2017).  optimizing an integrated waveguide modulator for sensitive low-frequency alternating-current electric-field sensors.  - optical engineering.  1-8. 

nadhira mat nashim, musab a.m. al-tarawni, abdul muiz aziz, suraya abdullah, a. ashrif a. bakar.  (2017).  optimizing low half-wave voltage electro-optic polymer modulator for optical waveguide sensor.  - optik - international journal for light and electron optics.  9-20. 

nur hasiba kamaruddin, ahmad ashrif a bakar,nadhratun naiim mobarak, mohd saiful dzulkefly zan, norhana arsad.  (2017).  binding affinity of a highly sensitive au/ag/au/chitosan-graphene oxide sensor based on direct detection of pb2+ and hg2+ ions.  - sensors.  1-16. 

sarada idris, ahmad ashrif a bakar, nur hasiba kamaruddin, sahbudin shaari.  (2017).  influence of gamma irradiation on polymerization of pyrrole and glucose oxidase immobilization onto poly (pyrrole)/poly (vinyl alcohol) matrix.  - applied surface science.  118-158. 

mohamed elgaud, mohd saiful dzulkefly zan, abdulfatah abushagur, ahmad ashrif a. bakar.  (2017).  improvement of signal to noise ratio of time domain mutliplexing fiber bragg grating sensor network with golay complementary codes.  - optical fiber technology.  447-453. 

m. mosleh e. abu samak, a. ashrif a. bakar, muhammad kashif and mohd saiful dzulkefly zan.  (2016).  comprehensive numerical analysis of finite difference time domain methods for improving opticalwaveguide sensor accuracy.  - sensors-basel.  1-16. 

nur hasiba kamaruddin, ahmad ashrif a. bakar, mohd hanif yaacob, mohd adzir mahdi, mohd saiful dzulkefly zan, sahbudin shaari.  (2016).  enhancement of chitosan-graphene oxide spr sensor with a multi-metallic layers of au-ag-au nanostructure for lead(ii) ion detection.  - applied surface science.  177-184. 

kashif m., bakar a.a.a., kamal n., hashim f.h., zan m.s.d..  (2016).  surface plasmon resonance based on phase detection technique for glycerin analysis.  - proceedings of the international conference on sensing technology, icst.  88-91. 

elgaud m.m., zan m.s.d., abushagur a.a.g., bakar a.a.a..  (2016).  analysis of independent strain-temperature fiber bragg grating sensing technique using optisystem and optigrating.  - 2016 ieee 6th international conference on photonics, icp 2016.  1-3. 

abushagur a.a.g., bakar a.a.a., zan m.s.d., arsad n., shaari s..  (2016).  decoupling method solving axial/transverse forces crosstalk in retinal microsurgery's force sensing instruments.  - proceedings of the international conference on sensing technology, icst.  295-299. 

zan m.s.d., bakar a.a.a., horiguchi t..  (2016).  analysis on the employment of dual walsh codes in the phase-shift pulse botda (psp-botda) fiber sensing technique.  - 2016 ieee 6th international conference on photonics, icp 2016.  . 

al-tarawni m.a.m., bakar a.a.a., zain a.r.m..  (2016).  design segmented slot waveguide for integrated waveguide modulator.  - ieee international conference on semiconductor electronics, proceedings, icse.  43-46. 

nani fadzlina naim, muhammad faiz ibrahim, suzi seroja sarnin, husna abdul rahman, norsuzila yaacob, a. ashrif a. bakar.  (2016).  ethernet passive optical network monitoring using various types of fiber bragg grating.  - journal of telecommunication, electronic and computer engineering.  21-24. 

nani fadzlina naim, a. ashrif a. bakar, mohammad syuhaimi ab-rahman.  (2016).  real-time monitoring in passive optical access networks using l-band ase and varied bandwidth and reflectivity of fiber bragg gratings.  - optics & laser technology.  45-51. 

zan m.s.d., bakar a.a.a., horiguchi t..  (2016).  improvement of signal-to-noise-ratio by combining walsh and golay codes in modulating the pump light of phase-shift pulse botda fiber sensor.  - proceedings of the international conference on sensing technology, icst.  269-273. 

siti sarah binti md sallah, sawal hamid md ali, ahmad ashrif a bakar, p.susthitha menon, nurjuliana binti juhari, md. shabiul islam.  (2016).  delay analysis in symmetrical soi-based rib waveguide for high speed optical interconnect.  - 2016 ieee 6th international conference on photonics (icp).  . 

musab a. m. al-tarawni, a. ashrif a. bakar,ahmad rifqi md zain.  (2016).  design segmented slot waveguide for integrated waveguide modulator.  - ieee-icse2016 proc. 2016, kuala lumpur, malaysia.  43-45. 

muhammad kashif, , a. ashrif a. bakar, fazida hanim hashim.  (2016).  analysing surface plasmon resonance phase sensor based on mach-zehnder interferometer technique using glycerin.  - optical communications.  419-424. 

ahmed mohamed elgaud, mohd saiful dzulkefly zan, abdulfatah a. g. abushagur and ahmad ashrif a. bakar.  (2016).  analysis of independent strain-temperature fiber bragg grating sensing technique using optisystem and optigrating.  - the 2016 ieee 6th conference on photonics (icp2016), kuching, sarawak, malaysia.  . 

siti narimah aziz, norhana arsad, ahmad ashrif abu bakar,p sushita menon and sahbudin shaari.  (2016).  large dynamic range operation of ultra-higher number mwfls affected by mzi-si.  - laser physics.  1-8. 

mohd saiful dzulkefly zan, ahmad ashrif a. bakar, and tsuneo horiguchi.  (2016).  analysis on the employment of dual walsh codes in the phase-shift pulse botda (psp-botda) fiber sensing technique.  - 2016 ieee 6th international conference on photonics (icp2016), kuching, sarawak, malaysia.  1-3. 

mohamed m. elgaud, mohd saiful dzulkefly zan, a. g. abushagur, ahmad ashrif a. bakar & ahmed m. elshirkasi.  (2016).  analysis and simulation of time domain multiplexed (tdm) fiber bragg sensing array using optisystem and optigrating.  - 2016 international conference on advances in electrical, electronic and system engineering (icaeese 2016).  . 

abedini, a., bakar, a.a.a., larki, f., menon, p.s., islam, m.s. & shaari, s..  (2016).  recent advances in shape-controlled synthesis of noble metal nanoparticles by radiolysis route.  - nanoscale research letters.  1-13. 

abushagur, a.a.g., bakar, a.a.a., zan, m.s.d.b. and arsad, n..  (2016).  a novel technique employing tapered fiber bragg grating to solve the axial/transverse forces crosstalk in microsurgical instruments.  - ieee sensors journal.  7671-7680. 

arsad n., shaari s., mastang, bakar a.a.a., rahman m.s.a..  (2015).  active learning in fiber optic course using applied education game.  - jurnal teknologi.  45-49. 

nur fariha lokman, fatihah suja`, huda abdullah and ahmad ashrif a bakar.  (2015).  structural and morphology of silver-crosslinked chitosan thin films for spr sensor.  - pigment & resin technology.  33-40. 

siti narimah aziz, norhana arsad, ahmad ashrif abu bakar, p sushita menon, sayidatul nadia elias and sahbudin shaari.  (2015).  the generation of a lower threshold multiwavelength fiber laser in the l - band region assisted by a sagnac loop mirror.  - laser physics.  1-4. 

rosdiadee nordin, ahmad a.a. bakar, wan m.d.w. zaki & mohd a. zulkifley.  (2015).  optimisation strategy to measure programme outcomes of the electrical engineering degree programme.  - global journal of engineering education.  42-46. 

muhammad faiz bukhori, norbahiah misran, aida baharuddin, ahmad yunus misdi, ashrif abu bakar, kalaivani chellapan, ashrani aizuddin abd rahni, saadiah ramli & nur shahirah sheikh amir.  (2015).  bulletin jabatan kejuruteraan elektrik, elektronik dan sistem.  - .  1-7. 

norhana binti arsad, sahbudin bin shaari, noorfazila binti kamal, ahmad ashrif bin a bakar, p. susthitha menon a/p n v visvanathan, mohd syuhaimi bin ab rahman.  (2015).  fiber optics biosensor for reactive nitrogen species monitoring - screening test of cancer.  - .  . 

ahmad ashrif bin a bakar, sahbudin bin shaari, mohamad azwani shah bin mat lazim, siti fairus binti mohd yusoff, norhana binti arsad, huda binti abdullah.  (2015).  synthesizing and characterizing of highly sensitive electro-optic polymer material for biomedical application.  - .  . 

abdurrahman f., arsad n., shaari s., ashrif a., bakar a., susthitha menon p..  (2015).  effects of cladding modification on the sensing potential of intrinsic polymer optical fiber as a vocs sensor.  - journal of optoelectronics and advanced materials.  901-906. 

a. z. g. zahid, m. singh, p. s. menon, f. n. hasoon, h. bakarman, a. a. a. bakar, m. a. m. alia, s. shaari.  (2015).  design and performance of a new 2d ocdma system using plastic optical fiber.  - optoelectronics and advanvced materials-rapid communications.  362 - 366. 

mohd saiful dzulkefly zan, ahmad ashrif a. bakar and tsuneo horiguchi.  (2015).  improvement of signal-to-noise-ratio by combining walsh and golay codes in modulating the pump light of phase-shift pulse botda fiber sensor.  - the ieee 9th international conference on sensing technology (icst 2015).  . 

khadijah ismail, p. s. menon, sahbudin shaari, abang annuar ehsan, norhana arsad and a. ashrif a. bakar.  (2015).  link power level improvements in an amplified 8-channel cwdm system with hybrid edfa-soa pre-amplifier.  - applied mechanics and materials (international conference on power science & engineering, barcelona, spain, december 2014).  1361-1365. 

ismail k., menon p.s., shaari s., ehsan a.a., arsad n., bakar a.a.a..  (2015).  measurement of a post-amplified cwdm system performance with edfa-soa amplifiers.  - 2015 international conference on industrial instrumentation and control (icic2015).  1065-1068. 

nurul fariha lokman, ahmad ashrif a. bakar, fatihah suja, huda abdullah,wan baihaqi wan ab rahman, nay-ming huang, mohd hanif yaacob.  (2014).  highly sensitive spr response of au/chitosan/graphene oxide nanostructured thin films toward pb (ii) ions.  - sensors and actuators b: chemical.  195: 459-46. 

abdulfatah a. g. abushagur, a. ashrif a. bakar, norhana arsad, sahbudin shaari.  (2014).  sub-millinewton force sensor for vitreoretinal microsurgery using linear chirp fiber bragg grating.  - ieee 5th international conference on photonics (icp), kuala lumpur.  41-43. 

khadijah ismail, p. susthitha menon, sahbudin shaari, abang annuar ehsan, hesham bakarman, norhana arsad, ahmad ashrif a. bakar.  (2014).  gain performance of cascaded and hybrid semiconductor optical amplifier in cwdm system.  - journal of nonlinear optical physics & materials.  23(1): 1-11. 

suraya abdullah, nurulain md. nawiz, farahiyah ali, a. ashrif a. bakar.  (2014).  gold nanoparticles-reduced graphene oxide for localized surface plasmon resonance.  - 5th international conference on photonics 2014, (icp2014).  . 

nur hasiba kamaruddin, nur mas ayu jamaludin, nurul fariha lokman and a. ashrif a. bakar.  (2014).  effect of bi-metallic structure on the performance of chitosan-graphene oxide surface plasmon resonance sensor.  - 5th international conference on photonics (icp), kuala lumpur.  185-187. 

luqman a. azizan, mohammad s. ab-rahman, mazen r. hassan, a. ashrif a. bakar, rosdiadee nordin.  (2014).  optimization of signal-to-noise ratio for wireless light-emitting diode communication in modern lighting layouts.  - optical engineering.  045103. 

rosdiadee nordin, a.a.a. bakar, w.m.d.w. zaki, m.a. zulkifley and a.b. huddin.  (2014).  relationship between direct and indirect assessment to improve the teaching and learning process for electrical engineering programmes.  - global journal of engineering education.  104-109. 

shabaneh, a.a., girei, s.h., arasu, p.t., rahman, w.b.w.a., bakar, a.a.a., sadek, a.z., lim, h.n., huang, n.m., yaacob, m.h..  (2014).  reflectance response of tapered optical fiber coated with graphene oxide nanostructured thin film for aqueous ethanol sensing.  - optics communications.  320-324. 

asraf mohamed moubark, ramizi mohamed, ahmad ashrif a. bakar, alina marie hasbi, mohd hairi mohd zaman, ahmad asrul ibrahim, mohd hafiz baharuddin, fazida hanim hashim.  (2014).  pelaksanaan projek bersepadu terbenam kepada pelajar tahun 3 jabatan kejuruteraan elektrik, elektronik dan sistem pada sesi akademik 2012/2013.  - prosiding seminar pendidikan kejuruteraan dan alam bina 2013 (peka 2013) : kongres pengajaran dan pembelajaran ukm / pusat penyelidikan pendidikan kejuruteraan, fakulti kejuruteraan dan alam bina ukm.  1-9. 

sahbudin bin shaari, ahmad ashrif bin a bakar, pankaj kumar choudhury.  (2014).  investigation of the characteristic features of complex optical micro and nano-structured systems and their possible applicatio.  - .  . 

muhammad kashif, ahmad ashrif a. bakar, norhana arsad and sahbudin shaari.  (2014).  development of phase detection schemes based on surface plasmon resonance using interferometry.  - sensors.  15914-15937. 

nurulain md nawi, suraya abdullah, a. ashrif a. bakar.  (2014).  gold nanoparticles/graphene oxide/polyaniline nanocomposites film as sensitive lspr-based sensor for pb(ii) ions detection.  - 5th international conference on photonics (icp), kuala lumpur.  . 

siti narimah aziz, norhana arsad, ahmad ashrif abu bakar, p susthitha menon, sahbudin shaari.  (2014).  balance and imbalance of nonlinear optical loop mirror for the realization of multi-wavelength erbium-doped fiber laser.  - 5th international conference on photonics (icp), kuala lumpur.  13-15. 

s.a. osman, h. husain, a.i. che ani, z.m. nopiah, b. bais, r. hamid, n.m. tawil, n. saibani, m.s. mastar@masdar, n. arsad, d. nordin, n.t. kofli, a.a. mutalib, s.m. zain, a.a.a bakar, z. harun et al..  (2014).  inovasi pendidikan ke arah pemantapan sahsiah & profesionalisme.  - seminar pendidikan kejuruteraan dan alam bina 2013 (peka 2013), sama-sama hotel, klia.  . 

russell kliese, thomas taimre, a. ashrif a. bakar, yah leng lim, karl bertling, milan nikolic, julien perchoux, thierry bosch, and aleksandar d. rakic.  (2014).  solving self-mixing equations for arbitrary feedback levels: a concise algorithm.  - applied optics.  53(17):3723-3736. 

abdulfatah a.g. abushagur, norhana arsad, mamun ibne reaz and a. ashrif a. bakar.  (2014).  advances in bio-tactile sensors for minimally invasive surgery using the fibre bragg grating force sensor technique: a survey.  - sensors (basel).  14(4): 6633-6665. 

norbahiah misran, zahira yaacob, siti kartom kamaruddin, wardah fatimah, shahrum abdullah, abu bakar sulong, ahmad ashrif a. bakar, amiruddin ismail, wan mimi diyana, othman jaafar, farizah ansarudin, azhari shamsudeen, mohd huzairi johari.  (2014).  jurnal kejuruteraan.  - jurnal kejuruteraan.  1-96. 

ahmad ashrif a. bakar, rosdiadee nordin, nasharuddin zainal, khadijah alavi, m. m. mustafa, h. husain.  (2013).  nurturing engineering enthusiasm and soft skills in high school students.  - international journal of engineering education.  29(4):933-939. 

rubana h. chowdhury, m.b.i. reaz, a.a.a. bakar, md. sharif hasan.  (2013).  muscle contraction: the subtle way of human computer interaction.  - research journal of applied sciences, engineering and technology.  6(12):2192-2196. 

bakar, a.a.a., lim, y.l., wilson, s.j., fuentes, m., bertling, k., taimre, t., bosch, t., rakic, ad.  (2013).  on the feasibility of self-mixing interferometer sensing for detection of the surface electrocardiographic signal using a customized electro-optic phase modulator.  - physiological measurement.  34(2):281-289. 

fadzrul izzuddin bin abd aziz, md. mamun, mohammad arif sobhan bhuiyan, ahmad ashrif a. bakar.  (2013).  a low drop-out voltage regulator in 0.18 um cmos technology.  - modern applied science.  7(4):70-76. 

khadijah ismail; p susthitha menon; hesham bakarman; norhana arsad; ahmad ashrif a.bakar.  (2013).  performance evaluation of 8 channel cwdm system with cascaded soas.  - ieee 4th international conference on photonics 2013 (icp).  . 

nani fadzlina naim, mohammad syuhaimi ab-rahman, hesham a. bakarman and ahmad ashrif a. bakar.  (2013).  real-time monitoring in passive optical networks using a superluminescent led with uniform and phase-shifted fiber bragg gratings.  - journal of optical communications and networking.  5(12):1425-1430. 

nani fadzlina naim, mohammad syuhaimi ab-rahman, nur hasiba kamaruddin, ahmad ashrif a. bakar.  (2013).  real-time monitoring and fault locating using amplified spontaneous emission noise reflection for tree-structured ethernet passive optical networks.  - optical engineering.  52(9):Art no.096112. 

norbahiah misran, zahira yaacob, siti kartom kamaruddin, shahrum abdullah, abu bakar sulong, amiruddin ismail, othman jaafar, wardah fatimah mohd yusoff, ahmad ashrif a. bakar, wan mimi diyana wan zaki, farizah ansarudin, mohd fairus awang, arif mohd sham.  (2013).  jurnal kejuruteraan.  - jurnal kejuruteraan.  1-45. 

faiz bin arith, md mamun, mohammad arif sobhan bhuiyan, ahmad ashrif a. bakar.  (2013).  low voltage schmitt trigger in 0.18 um cmos technology.  - advances in natural and applied sciences.  7(1):33-38. 

rubana h. chowdhury, mamun b. i. reaz, mohd alauddin bin mohd ali, ashrif a. a. bakar, k. chellappan, t. g. chang.  (2013).  surface electromyography signal processing and classification techniques.  - sensors.  13(9):12431-12466. 

khadijah ismail, susthitha p. menon, sahbudin shaari, hesham a. bakarman, norhana arsad, ahmad ashrif a. bakar.  (2013).  flat gain, wide bandwidth of in-line semiconductor optical amplifier in cwdm systems.  - iete technical review.  30(6):64-71. 

ahmad ashrif a. bakar, yah leng lim, stephen j. wilson, miguel fuentes, karl bertling, thierry bosch and aleksandar d. rakic.  (2012).  electrocardiographic signal detection using selfmixing interferometer technique with customized electro-optic phase modulator.  - 2012 ieee 3rd international conference on photonics (icp).  . 

jeeng ji lee, mik kian hing, yin fen ng, j. s. mandeep, m. t. islam, a. a. a. bakar, n. zainal, n. h. talib.  (2012).  wireless system assists libraries.  - microwaves & rf.  51(5):88-97. 

ismail, khadijah; menon, p. susthitha; bakarman, hesham a.; bakar, ahmad ashrif a; arsad, norhana.  (2012).  performance of 18 channel cwdm system with inline semiconductor optical amplifier.  - 2012 ieee 3rd international conference on photonics (icp).  . 

zahid, ali z. ghazi; mandeep, j s; menon, p susthitha; bakarman, hesham; hasoon, feras n.; bakar, ahmad ashrif a; ali, mohd. alauddin mohd. ali.  (2012).  performance analysis of multi-weight 2d-ocdma tedw.  - 2012 ieee 3rd international conference on photonics (icp).  . 

rosdiadee nordin, a. ashrif a. bakar, nashruddin zainal, hafizah husain.  (2012).  preliminary study on the impact of industrial talks and visits towards the outcome based education of engineering students.  - procedia social and behavioral sciences - ukm teaching and learning congress 2011.  . 

mohd asyraf zulkifley, farizah ansarudin, noorfazila kamal, ahmad ashrif abu bakar.  (2012).  buletin jkees (jabatan kejuruteraan elektrik, elektronik & sistem fakulti kejuruteraan & alam bina ).  - buletin jkees edisi september 2012.  . 

rubana h.chowdhury, m.b.i. reaz, a.a.a bakar and m.a.m. ali.  (2012).  noise reduction and feature extraction of electromyography signal using wavelet transform.  - international conference on engineering and built environment (icebe) 2012, kuala lumpur, malaysia.  . 

norbahiah misran, baba mohd. deros, zahira yaacob, shahrom abdullah, n. e. shanmugam, siti kartom kamaruddin, zamri chik, mardina abdullah, wardah fatimah mohd yusoff, ahmad ashrif a. bakar, farizah ansarudin, mohd fairus awang, arif mohd sham.  (2012).  jurnal kejuruteraan.  - jurnal kejuruteraan.  1-43. 

hanief ahmad azam, ahmad ashrif a bakar, fazida hanim hashim, rosdiadee nordin & w mimi diyana w zaki.  (2012).  kajian kes amalan proses penambahbaikan kualiti berterusan hasil pembelajaran di jabatan kejuruteraan elektrik, elektronik & sistem.  - prosiding kongres pengajaran & pembelajaran ukm 2012.  . 

n. a. m. ahmad hambali, m. h. al-mansoori, m. ajiya, a. a. a. bakar, s. hitam and m. a. mahdi.  (2011).  multi-wavelength brillouin-raman ring-cavity fiber laser with 22-ghz spacing.  - laser physics.  21(9):1656-1660. 

h a al-asadi, a a a bakar, f r mahamd adikan and m a mahdi.  (2011).  analytical study of nonlinear phase shift through stimulated brillouin scattering in single mode fiber with the pump power recycling technique.  - journal of optics.  13(10):Art.no 105. 

afida ayob, hamimi fadziati abd wahab, norhana arsad, ahmad ashrif a bakar and hafizah husain.  (2011).  assessment of student program outcomes through a comprehensive exit strategy.  - kongres pengajaran dan pembelajaran ukm, 2010; tanjung keling, melaka (procedia social and behavioral sciences).  . 

rosdiadee nordin, ahmad ashrif a bakar, nasharuddin zainal & hafizah husain.  (2011).  keberkesanan perlaksanaan program ceramah dan lawatan industri ke atas kualiti pembelajaran berasaskan hasil.  - prosiding kongres pengajaran & pembelajaran ukm 2011.  . 

nasharuddin zainal, ahmad ashrif abu bakar, rosdiadee nordin, hafizah husain dan mohd marzuki mustafa.  (2011).  peningkatan tahap perkembangan kemahiran insaniah mentor melalui microcontroller school mentoring project.  - prosiding kongres pengajaran & pembelajaran ukm 2011.  . 

a. r. sarmani, m. h. abu bakar, a. a. a. bakar, f. r. mahamd adikan, and m. a. mahdi.  (2011).  spectral variations of the output spectrum in a random distributed feedback raman fiber laser.  - optics express.  19(15):14152-59. 

mohd raihan taha, baba mohd. deros, zahira yaacob, shahrom abdullah, n. e. shanmugam, siti kartom kamaruddin, zamri chik, mardina abdullah, wardah fatimah mohd yusoff, nangkula utaberta, ahmad ashrif a. bakar, aida baharuddin, arif mohd sham.  (2011).  jurnal kejuruteraan.  - jurnal kejuruteraan.  1-68. 

a. a. a. bakar, j. z.v. flores, y. l. lim, russell kliese, member, ieee and aleksandar d. rakic.  (2010).  self-mixing interferometer technique based on vcsel under the effect of polarization mode switching.  - proceedings of the ieee international conference on photonics (icp2010).  . 

lim chin onn, azman kassim, khoo boo teong, tay eng su, nor azman zainal abidin, yeoh pit shing, johan mahmood merican, idi fazlul zainuddin, mohd radzi,ahmad ashrif abu bakar, norhana arsad,sawal ham.  (2010).  economic transformation programme- a roadmap for malaysia.  - .  605. 

afida ayob, hamimi fadziati abd wahab, norhana arsad, ahmad ashrif a bakar and hafizah husain.  (2010).  assessment of student learning outcomes through a comprehensive exit strategy.  - prosiding seminar pendidikan kejuruteraan dan alam bina 2010 (peka2010) sempena kongres pengajaran dan pembelajaran ukm 2010.  . 

bakar, aaa; mahdi, ma; al-mansoori, mh; shaari, s; zamzuri, ak.  (2009).  opto-optical gain-clamped l-band erbium-doped fiber amplifier with c-band control signal.  - applied optics.  48(12):2340-2343. 

bakar, a.a.a.; al-mansoori, m.h.; mahdi, m.a.; zainal abidin, m.s.; azau, m.a.m..  (2009).  fiber break location technique utilizing stimulated brillouin scattering effects in optical fiber.  - laser physics letters.  6(1):59-63. 

ranveer s. matharu, yah leng lim, russell kliese, karl bertling, a. ashrif a. bakar, julien perchouxy and a. d. rakic.  (2009).  temperature and current dependence of doppler snr in a vcsel based self-mixing sensor.  - ieee sensors 2009.  . 

a. a. a. bakar, m. a. mahdi, m. h. al-mansoori, s. shaari and a. k. zamzuri.  (2009).  single-stage gain-clamped l-band edfa with c-band ase saturating tone.  - laser physics.  19(5):1026-1029. 

mahdi, m.a., bakar, a.a.a., al-mansoori, m.h., shaari, s., zamzuri, a.k..  (2008).  single-stage gain-clamped l-band edfa with c-band ase self-oscillation in ring cavity.  - laser physics letters.  5(2):126-129. 

russell kliese, yah leng lim, karl bertling, a. ashrif a. bakar, thierry bosch, aleksandar d. rakic.  (2008).  self-mixing displacement sensing using the junction voltage variation in a gan laser.  - commad 2008.  . 

a.a.a. bakar, m.z. jamaludin, f. abdullah, m.h. yaacob, m.a.mahdi, m.k. abdullah.  (2007).  a new technique of real-time monitoring of fiber optic cable networks transmission.  - optics and lasers in engineering.  45(2007)126-130. 

m.z. jamaludin, a.a.a. bakar, a.w.naji, f.a. rahman, m.a. mahdi, m.k. abdullah.  (2006).  improving the performance of double-pass edfa utilizing chirped bragg grating as feedback loop.  - microwave optical technology letter.  48(2):386-388. 

m. z. jamaludin, a. a. a. bakar, f. abdullah, f. a. rahman, m. a. mahdi, m. k. abdullah.  (2005).  double-pass edfa with built-in variable optical bragg grating.  - ieee micc & icon 2005.  . 

a.a.a. bakar, m.h. al-mansoori, m.s.z. abidin, n. ali, m.k. abdullah and m.a. mahdi.  (2004).  a simple fiber break detection technique using continuous-wave light.  - 2004 ieee leos malaysian conference on photonic.  .