Items where Author is "Abu Bakar, Muhammad Hafiz"

Hamid, Rosyati and Mustapha Kamil, Yasmin and Aris, Ahmad Zaharin and Abu Bakar, Muhammad Hafiz and Suhailin, Fariza Hanim and Alresheedi, Mohammed Thamer and Ng, Eng Khoon and Mahdi, Mohd Adzir (2024) Detection of 17-α-ethinylestradiol with bio-functionalized tapered optical fiber sensor. Measurement: Journal of the International Measurement Confederation, 238. art. no. 115305. pp. 1-11. ISSN 0263-2241; eISSN: 0263-2241

Zainuddin, Nurul Hida and Chee, Hui Yee and Abdul Rashid, Suraya and Ahmad, Muhammad Zamharir and Zan, Zuraidah and Abu Bakar, Muhammad Hafiz and Alresheedi, Mohammed Thamer and Mahdi, Mohd Adzir and Yaacob, Mohd Hanif (2023) Enhanced detection sensitivity of Leptospira DNA using a post-deposition annealed carbon quantum dots integrated tapered optical fiber biosensor. Optical Materials, 141. art. no. 113926. pp. 1-12. ISSN 0925-3467; eISSN: 1873-1252

Mustapha Kamil, Yasmin and Abu Bakar, Muhammad Hafiz and Zainuddin, Nurul Hida and Yaacob, Mohd Hanif and Mahdi, Mohd Adzir (2023) Progress and trends of optical microfiber-based biosensors. Biosensors, 13 (2). art. no. 270. pp. 1-17. ISSN 2079-6374

Mustapha Kamil, Yasmin and Al-Rekabi, Sura Hmoud and Abu Bakar, Muhammad Hafiz and Yap, Wing Fen and Mohammed, Husam Abduldaem and Mohamed Halip, Nor Hafizah and Alresheedi, Mohammed Thamer and Mahdi, Mohd Adzir (2022) Arsenic detection using surface plasmon resonance sensor with hydrous ferric oxide layer. Photonic Sensors, 12 (3). art. no. 220306. pp. 1-8. ISSN 1674-9251; ESSN: 2190-7439

Poh, Abdul Halim and Abu Hassan, Muhammad Rosdi and Abu Bakar, Muhammad Hafiz and Mahamd Adikan, Faisal Rafiq and Moghavvemi, Mahmoud (2022) Profile morphology of Fiber Bragg Gratings during initial cracking: a case study on proof load testing of an arch spandrel segment. IEEE Sensors Journal, 22 (6). pp. 5678-5687. ISSN 1530-437X; ESSN: 1558-1748

Ibrahim, Siti Azlida and Abdul Rahman, Norizah and Yaacob, Mohd Hanif and Abu Bakar, Muhammad Hafiz and Mohamad, Fatimah Syahidah and Mohd Yahya, Nor Akmar and Md. Yusoff, Nelidya and Mahdi, Mohd Adzir (2022) Self-assembled polyaniline nanostructures in situ deposited on silica optical fibers for ammonia gas sensing. Synthetic Metals, 283. art. no. 116962. pp. 1-8. ISSN 0379-6779; ESSN: 1879-3290

Ibrahim, Siti Azlida and Abdul Rahman, Norizah and Yaacob, Mohd Hanif and Abu Bakar, Muhammad Hafiz (2022) Self-assembled polyaniline nanostructures in-situ deposited on silica optical fibers for ammonia gas sensing. Synthetic Metals, 283. art. no. 116962. pp. 1-8. ISSN 0379-6779

Mansor, Maisarah and Mohd Nawi, Afiqah and Zainol Abidin, Nadiah Husseini and Omar, Muhammad Firdaus and Mahdi, Mohd Adzir and Abu Bakar, Muhammad Hafiz (2020) Fiber twist-based wavelength tunability in tapered optical fiber filters. Pertanika Journal of Science & Technology, 28 (4). pp. 1267-1275. ISSN 0128-7680; ESSN: 2231-8526

Mansor, Maisarah and Mohd Nawi, Afiqah and Zainol Abidin, Nadiah Husseini and Omar, Muhammad Firdaus and Mahdi, Mohd Adzir and Abu Bakar, Muhammad Hafiz (2020) Fiber twist-based wavelength tunability in tapered optical fiber filters. Pertanika Journal of Science and Technology, 28 (4). pp. 1267-1275. ISSN 0128-7680; ESSN: 2231-8526

Suhailin, Fariza Hanim and Alwahib, Ali Abdulkhaleq and Mustapha Kamil, Yasmin and Abu Bakar, Muhammad Hafiz and Huang, Nay Ming and Mahdi, Mohd Adzir (2020) Fiber-based surface plasmon resonance sensor for lead ion detecion in aqueous solution. Plasmonics, 15. 1369 - 1376. ISSN 1557-1955; ESSN: 1557-1963

Naharuddin, Noor Zirwatul Ahlam and Sadrolhosseini, Amir Reza and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Mahdi, Mohd Adzir (2020) Laser ablation synthesis of gold nanoparticles in tetrahydrofuran. Optical Materials Express, 10 (2). art. no. 381427. 323 - 331. ISSN 2159-3930

Mustapha Kamil, Yasmin and Al-Rekabi, Sura Hmoud and Mohammed, Husam Abduldaem and Abu Bakar, Muhammad Hafiz and Kanagesan, Samikannu and Yap, Wing Fen and Mahdi, Mohd Adzir (2019) Di-iron trioxide hydrate-multi-walled carbon nanotube nanocomposite for arsenic detection using surface plasmon resonance technique. IEEE Photonics Journal, 11 (4). pp. 1-10. ISSN 1943-0655

Zainol Abidin, Nadiah Husseini and Lau, Kuen Yao and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Mahdi, Mohd Adzir (2019) Open cavity controllable dual-wavelength hybrid Raman-erbium random fiber laser. IEEE Photonics Journal, 11 (4). pp. 1-9. ISSN 1943-0655; ESSN: 1943-0647

Al-Alimi, Abdulmoghni Ali Wazea and Abu Bakar, Muhammad Hafiz and Zainol Abidin, Nadiah and Abas, A. F. and Alresheedi, Mohammed Thamer and Mahdi, Mohd Adzir (2019) Dual-wavelength thulium-doped fiber laser assisted by non-adiabatic tapered fiber. Optics & Laser Technology, 112. pp. 26-29. ISSN 0030-3992; ESSN: 1879-2545

Latif, A. A. and Mohamad, F. and Abu Bakar, Muhammad Hafiz and Mustapa, M. A. and Awang, N. A. and Zakaria, Zahriladha (2019) Curvature sensor utilizing evanescent field propagation via microfibers. Journal of Physics: Conference Series, 1151 (1). pp. 1-6. ISSN 1742-6588; ESSN: 1742-6596

Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir and Yaacob, Mohd Hanif and Amir Hamzah, Amir Syahir and Lim, Hong Ngee and Mustapha Kamil, Yasmin (2019) Dengue E protein detection using a graphene oxide integrated tapered optical fiber sensor. IEEE Journal of Selected Topics in Quantum Electronics, 25 (1). art. no. 7201008. pp. 1-8. ISSN 1077-260X

Mustapha Kamil, Yasmin and Al-Rekabi, Sura Hmoud and Yaacob, Mohd Hanif and Syahir, Amir and Hui, Yee Chee and Mahdi, Mohd Adzir and Abu Bakar, Muhammad Hafiz (2019) Detection of dengue using PAMAM dendrimer integrated tapered optical fiber sensor. Scientific Reports, 9. art. no. 13483. pp. 1-10. ISSN 2045-2322

Mohammed, Husam Abduldaem and Abdul Rashid, Suraya and Abu Bakar, Muhammad Hafiz and Ahmad Anas, Siti Barirah and Mahdi, Mohd Adzir and Yaacob, Mohd Hanif (2019) Fabrication and characterizations of a novel etched-tapered single mode optical fiber ammonia sensors integrating PANI/GNF nanocomposite. Sensors and Actuators B: Chemical, 287. pp. 71-77. ISSN 0925-4005; ESSN:

Zainol Abidin, Nadiah Husseini and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2019) Hybrid raman-erbium random fiber laser with symmetrical combined pumping of 1455 nm and 1497 nm wavelengths. Journal of Multidisciplinary Engineering Science and Technology (JMEST), 6 (12). art. no. spec.. pp. 72-75. ISSN 2458-9403

Al-Rekabi, S. H. and Mustapha Kamil, Yasmin and Abu Bakar, Muhammad Hafiz and Fen, Yap Wing and Lim, Hong Ngee and Samikannu, Kanagesan and Mahdi, Mohd Adzir (2019) Hydrous ferric oxide-magnetite-reduced graphene oxide nanocomposite for detection of arsenic using surface plasmon resonance. Optics & Laser Technology, 111. pp. 417-423. ISSN 0030-3992; ESSN: 1879-2545

Zainol Abidin, Nadiah Husseini and Abu Bakar, Muhammad Hafiz and Mustapha Kamil, Yasmin and Abas, Ahmad Fauzi and Alresheedi, Mohammed Thamer and Mahdi, Mohd Adzir (2019) Open cavity hybrid Raman-erbium random fiber laser with common pump. IEEE Access, 7. pp. 85867-85874. ISSN 2169-3536

Mohammed, Husam Abduldaem and Abdul Rahman, Norizah and Ahmad, Muhammad Zamharir and Abu Bakar, Muhammad Hafiz and Ahmad Anas, Siti Barirah and Mahdi, Mohd Adzir and Yaacob, Mohd Hanif (2018) Sensing performance of modified single mode optical fiber coated with nanomaterials based ammonia sensors operated in the C-band. IEEE Access, 7 (1). pp. 5467-5476. ISSN 2169-3536

Abiola, Taiwo Ambali and Al-Nassar, Ghusoon Abdulameer Erhayem and Abu Bakar, Muhammad Hafiz and Abdul Khir, Mohd Fared and Mahdi, Mohd Adzir and Mokhtar, Makhfudzah (2018) Development of authentication code for multi-access optical code division multiplexing based quantum key distribution. Optics and Laser Technology, 101. 312 - 318. ISSN 0030-3992; ESSN: 1879-2545

Mamdoohi, Ghazaleh and Sarmani, Abdul Rahman and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2018) Switchable multiwavelength Brillouin-Raman fiber laser utilizing an enhanced nonlinear amplifying fiber loop design. IEEE Photonics Journal, 10 (2). pp. 1-11. ISSN 1943-0655

Lau, Kuen Yao and Abu Bakar, Muhammad Hafiz and Muhammad, Farah Diana and Abd Latif, Amirah and Omar, Muhammad Firdaus and Yusoff, Zulfadzli and Mahdi, Mohd Adzir (2018) Dual-wavelength, mode-locked erbium-doped fiber laser employing graphene/polymethyl-methacrylate saturable absorber. Optics Express, 26 (10). 12790 - 12800. ISSN 1094-4087

Lau, Kuen Yao and Ng, E.K. and Abu Bakar, Muhammad Hafiz and Abas, A.F. and Alresheedi, Mohammed and Yusoff, Zulfadzli and Mahdi, Mohd Adzir (2018) Low threshold L-band mode-locked ultrafast fiber laser assisted by microfiber-based single wall carbon nanotube saturable absorber. Optics Communications, 413. 249 - 254. ISSN 0030-4018

Zainol Abidin, Nadiah Husseini and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Mahamd Adikan, Faisal Rafiq and Mahdi, Mohd Adzir (2018) Pump distribution effect in dual-wavelength Raman-erbium random distributed feedback fiber laser. Optics Express, 26 (12). 15411 - 15419. ISSN 1094-4087

Zainuddin, Nurul Hida and Chee, Hui Yee and Ahmad, Muhammad Zamharir and Mahdi, Mohd Adzir and Abu Bakar, Muhammad Hafiz and Yaacob, Mohd Hanif (2018) Sensitive leptospira DNA detection using tapered optical fiber sensor. Journal of Biophotonics, 11 (8). art. no. 201700363. pp. 1-12. ISSN 1864-063X; ESSN: 1864-0648

Lau, Kuen Yao and Abu Bakar, Muhammad Hafiz and Md Zain, Ahmad Rifqi and Abas, Ahmad Fauzi and Alresheedi, Mohammed Thamer and Mahdi, Mohd Adzir (2018) Stable multi-wavelength erbium-doped fiber laser assisted by graphene-PMMA thin film. Optics and Laser Technology, 105. 129 - 134. ISSN 0030-3992; ESSN: 1879-2545

Al-Alimi, Abdulmoghni Ali Wazea and Abu Bakar, Muhammad Hafiz and Abas, Ahmad Fauzi and Alresheedi, Mohammed Thamer and Zainol Abidin, Nadiah Husseini and Mahdi, Mohd Adzir (2018) Stable multiwavelength thulium fiber laser assisted by four wave mixing effect. Optics and Laser Technology, 106. 191 - 196. ISSN 0030-3992; ESSN: 1879-2545

Lau, Kuen Yao and Abd Latif, Amirah and Abu Bakar, Muhammad Hafiz and Muhammad, Farah Diana and Omar, Muhammad Firdaus and Mahdi, Mohd Adzir (2017) Mechanically deposited tungsten disulfide saturable absorber for low-threshold Q-switched erbium-doped fiber laser. Applied Physics B: Lasers and Optics, 123 (8). art. no. 221. pp. 1-12. ISSN 0946-2171; ESSN: 1432-0649

Abd Latif, Amirah and Awang, Noor Azura and Zakaria, Zahariah and Zazali, N.A. and Mustapa, M. A. and Muhammad, Farah Diana and Mohamed Kamari, Halimah and Abu Bakar, Muhammad Hafiz (2017) Passively mode-locked fiber laser by utilizing TTG film on a D-shaped fiber as a saturable absorber. Journal of Science and Technology, 9 (2). 29 - 33. ISSN 2229-8460; ESSN: 2600-7924

Alwahib, Ali Abdulkhaleq and Sadrolhosseini, Amir Reza and Mohamed Noor, An'amt and Lim, Hong Ngee and Yaacob, Mohd. Hanif and Abu Bakar, Muhammad Hafiz and Ming, Huang Nay and Mahdi, Mohd Adzir (2016) Reduced graphene oxide/maghemite nanocomposite for detection of hydrocarbons vapor using surface plasmon resonance. IEEE Photonics Journal, 8 (4). pp. 1-10. ISSN 1943-0647; ESSN: 1943-0655

Musa, Baktiar and Mustapha Kamil, Yasmin and Abu Bakar, Muhammad Hafiz and Muhammad Noor, Ahmad Shukri and Ismail, Alyani and Mahdi, Mohd Adzir (2016) Effects of taper parameters on free spectral range of non-adiabatic tapered optical fibers for sensing applications. Microwave and Optical Technology Letters, 58 (4). pp. 798-803. ISSN 0895-2477; ESSN: 1098-2760

Mohamed Halip, N. H. and Isa, N. S. and Latif, A. A. and Mahdi, Mohd Adzir and Abu Bakar, Muhammad Hafiz (2016) Asymmetric fiber taper for narrow linewidth comb filter. Jurnal Teknologi (Sciences and Engineering), 78 (3). pp. 117-121. ISSN 0127-9696; ESSN: 2180-3722

Latif, A. A. and Mohamad, H. and Abu Bakar, Muhammad Hafiz and Muhammad, Farah Diana and Mahdi, Mohd Adzir (2016) Carbon nanotube-based mode-locked wavelength-switchable fiber laser via net gain cross section alteration. Laser Physics, 26 (2). art. no. 025106. pp. 1-6. ISSN 1054-660X; ESSN: 1555-6611

Latif, A. A. and Mohamad, H. and Abu Bakar, Muhammad Hafiz and Muhammad, Farah Diana and Mahdi, Mohd Adzir (2016) Carbon nanotube-based mode-locked wavelength-switchable fiber laser via net gain cross section alteration. Laser Physics, 26 (2). art. no. 025106. ISSN 1054-660X; ESSN: 1555-6611

Lau, K. Y. and Abd Latif, Amirah and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2016) High signal-to-noise ratio Q-switching erbium doped fiber laser pulse emission utilizing single layer trivial transfer graphene film saturable absorber. Jurnal Teknologi (Sciences & Engineering), 78 (3). pp. 129-133. ISSN 0127-9696; ESSN: 2180-3722

Musa, Baktiar and Mustapha Kamil, Yasmin and Abu Bakar, Muhammad Hafiz and Muhammad Noor, Ahmad Shukri and Ismail, Alyani and Mahdi, Mohd Adzir (2016) Investigating the effect of taper length on sensitivity of the tapered-fiber based temperature sensor. Jurnal Teknologi (Sciences & Engineering), 78 (3). pp. 135-140. ISSN 0127-9696; ESSN: 2180-3722

Zainol Abidin, Nadiah Husseini and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Mahamd Adikan, Faisal Rafiq and Mahdi, Mohd Adzir (2016) Reflectivity variation in asymmetric random distributed feedback Raman fiber laser. Laser Physics, 26 (1). art. no. 015105. pp. 1-7. ISSN 1054-660X; ESSN: 1555-6611

Zainol Abidin, Nadiah and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Mahamd Adikan, Faisal Rafiq and Mahdi, Mohd Adzir (2016) Reflectivity variation in asymmetric random distributed feedback Raman fiber laser. Laser Physics, 26 (1). art. no. 015105. ISSN 1054-660X; ESSN: 1555-6611

Alwahib, Ali Abdulkhaleq and Sadrolhosseini, Amir Reza and Lim, Hong Ngee and Yaacob, Mohd Hanif and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2016) Study of EDC/NHS immobilization for plumbous detection using surface plasmon resonance. Jurnal Teknologi (Sciences and Engineering), 78 (3). pp. 253-256. ISSN 0127-9696; ESSN: 2180-3722

Zainol Abidin, Nadiah Husseini and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Mahdi, Mohd Adzir (2016) Tunable ultra-long random distributed feedback fiber laser. Jurnal Teknologi (Sciences and Engineering), 78 (3). pp. 123-127. ISSN 0127-9696; ESSN: 2180-3722

Usman, Hamza and Abu Bakar, Muhammad Hafiz and Amir Hamzah, Amir Syahir and Salleh, Abu Bakar (2016) A tapered fibre optics biosensor for histamine detection. Sensor Review, 36 (1). pp. 40-47. ISSN 0260-2288

Mustapha Kamil, Y. and Abu Bakar, Muhammad Hafiz and Mustapa, M. A. and Yaacob, Mohd. Hanif and Amir Hamzah, Amir Syahir and Mahdi, Mohd Adzir (2015) Sensitive and specific protein sensing using single-mode tapered fiber immobilized with biorecognition molecules. IEEE Photonics Journal, 7 (6). art. no. 3700109. pp. 1-9. ISSN 1943-0655

Mohamad, Hafizah and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2015) Dispersion variation in ring-type erbium-doped fiber ultrashort pulse laser with single-wall carbon nanotube-based tapered fiber saturable absorber. Microwave and Optical Technology Letters, 57 (10). pp. 2374-2376. ISSN 0895-2477; ESSN: 1098-2760

Mahdi, Mohd Adzir and Tamchek, Nizam and Abu Bakar, Muhammad Hafiz and Yeo, Kwok Shien and Mahamd Adikan, Faisal Rafiq (2015) Multiwavelength hybrid fiber raman/parametric linear oscillator. IEEE Photonics Journal, 7 (4). pp. 1-11. ISSN 1943-0647; ESSN: 1943-0655

Ibrahim @ Ghazali, Siti Azlida and Abdul Rahman, Norizah and Abu Bakar, Muhammad Hafiz and Girei, Saad Hayatu and Yaacob, Mohd Hanif and Ahmad, Harith and Mahdi, Mohd Adzir (2015) Room temperature ammonia sensing using tapered multimode fiber coated with polyaniline nanofibers. Optics Express, 23 (3). pp. 2837-2845. ISSN 1094-4087

Tee, Din Chai and Tamchek, Nizam and Abu Bakar, Muhammad Hafiz and Mahamd Adikan, Faisal Rafiq (2014) High-transmission-efficiency 120° photonic crystal waveguide bend by using flexible structural defects. IEEE Photonics Journal, 6 (4). art. no. 2201410. pp. 1-10. ISSN 1943-0655

Lim, L. T. and Yeo, Kwok Shien and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Mahdi, Mohd Adzir (2014) Extended nonlinear parametric process in anomalously pumped linear cavity oscillator. Optics Express, 22 (18). pp. 22190-22195. ISSN 1094-4087

Yadav, Tarun Kumar and Narayanaswamy, Radhakrishnan and Abu Bakar, Muhammad Hafiz and Mustapha Kamil, Yasmin and Mahdi, Mohd Adzir (2014) Single mode tapered fiber-optic interferometer based refractive index sensor and its application to protein sensing. Optics Express, 22 (19). pp. 22802-22807. ISSN 1094-4087

Yadav, T. K. and Mustapa, Mohd Azmir and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2014) Study of single mode tapered fiber-optic interferometer of different waist diameters and its application as a temperature sensor. Journal of the European Optical Society - Rapid publications, 9. art. no. 14024. pp. 1-5. ISSN 1990-2573

Md Ali, M. I. and Ibrahim, Siti Azlida and Abu Bakar, Muhammad Hafiz and Muhammad Noor, Ahmad Shukri and Ahmad Anas, Siti Barirah and Abdul Kadir, Muhammad Zamzuri and Mahdi, Mohd Adzir (2014) Tapered-EDF-based Mach-Zehnder interferometer for dual-wavelength fiber laser. IEEE Photonics Journal, 6 (5). art. no. 5501209 . pp. 1-10. ISSN 1943-0647; ESSN: 1943-0655

Sulaiman, Abdul Hadi and Abu Bakar, Muhammad Hafiz and Abdul Kadir, Muhammad Zamzuri and Hitam, Salasiah and Abas, Ahmad Fauzi and Mahdi, Mohd Adzir (2013) Investigation of multiwavelength performance utilizing an advanced mechanism bidirectional Lyot filter. IEEE Photonics Journal, 5 (6). art. no. 7101008. pp. 1-8. ISSN 1943-0655

Hitam, Salasiah and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir and Abd Rahman, Zubaidah and Al-Mansoori, Mohammed Hayder and Mahamd Adikan, Faisal Rafiq (2013) Capacity enhancement of virtual-mirror-based multiwavelength Brillouin-Erbium fiber laser. Microwave and Optical Technology Letters, 55 (11). pp. 2549-2553. ISSN 0895-2477

Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir and Mahamd Adikan, Faisal Rafiq and Ibrahim, N. H. (2013) L-band R-EDFA/Raman hybrid amplifier with enhanced higher-order pumping scheme utilizing stimulated Raman scattering. Optics Communications, 291. pp. 155-161. ISSN 0030-4018

Abu Hassan, Muhammad Rosdi and Abu Bakar, Muhammad Hafiz and Dambul, Katrina D. and Mahamd Adikan, Faisal Rafiq (2012) Optical-based sensors for monitoring corrosion of reinforcement rebar via an etched cladding Bragg grating. Sensors, 12 (11). pp. 15820-15826. ISSN 1424-8220

Abu Bakar, Muhammad Hafiz and Mahamd Adikan, Faisal Rafiq and Mahdi, Mohd Adzir (2012) Rayleigh-based Raman fiber laser with passive erbium-doped fiber for secondary pumping effect in remote L-band erbium-doped fiber amplifier. IEEE Photonics Journal, 4 (3). pp. 1042-1050. ISSN 1943-0655

Al-Asadi, Hamid Ali Abed and Abu Bakar, Muhammad Hafiz and Al-Mansoori, Mohammed Hayder and Mahamd Adikan, Faisal Rafiq and Mahdi, Mohd Adzir (2011) Analytical analysis of second-order Stokes wave in Brillouin ring fiber laser. Optics Express, 19 (25). pp. 25741-25748. ISSN 1094-4087

Abu Bakar, Muhammad Hafiz and Sheih, Shou-Jong and Mahamd Adikan, Faisal Rafiq and Mahdi, Mohd Adzir (2011) Variable gain-flattened L-band Erbium-doped fiber amplifier. Laser Physics, 21 (9). pp. 1638-1644. ISSN 1054-660X

Mahdi, Mohd Adzir and Hizam, Hashim and Mohd Noor, Samsul Bahari and Ramzia Salem, Abduemalik and Abu Bakar, Muhammad Hafiz and Al-Mansoori, Mohammed Hayder (2011) Multiwavelength L-band fiber laser with bismuth-oxide EDF and photonic crystal fiber. Applied Physics B: Lasers and Optics, 103 (2). pp. 363-368. ISSN 0946-2171

Sarmani, Abdul Rahman and Abu Bakar, Muhammad Hafiz and A. Bakar, Ahmad Ashrif and Mahamd Adikan, Faisal Rafiq and Mahdi, Mohd Adzir (2011) Spectral variations of the output spectrum in a random distributed feedback Raman fiber laser. Optics Express, 19 (15). pp. 14152-14159. ISSN 1094-4087; ESSN:1094-4087

Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir and Mokhtar, Makhfudzah and Abas, Ahmad Fauzi and Md. Yusoff, Nelidya (2009) Investigation on the effect of stimulated Raman scattering in remotely‐pumped L‐band erbium‐doped fiber amplifier. Laser Physics Letters, 6 (8). pp. 602-606. ISSN 1612-2011; ESSN: 1612-202X

Abd. Rahman, Zubaidah and Al-Mansoori, Mohammed Hayder and Hitam, Salasiah and Abas, Ahmad Fauzi and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2009) Optimization of Brillouin pump wavelength location on tunable multiwavelength BEFL. Laser Physics, 19 (11). pp. 2110-2114. ISSN 1054-660X; ESSN: 1555-6611

Lau, Kuen Yao and Ng, E. K. and Abu Bakar, Muhammad Hafiz and Abas, Ahmad Fauzi and Alresheedi, Mohammed Thamer and Yusoff, Zulfadzli and Mahdi, Mohd Adzir (2018) High energy L-band femtosecond fiber laser with carbon nanotube saturable absorber. In: 2018 IEEE 7th International Conference on Photonics (ICP), 9-11 Apr. 2018, Langkawi, Kedah, Malaysia. .

Radzali, R. and Mustapha Kamil, Yasmin and Mahdi, Mohd Adzir and Abu Bakar, Muhammad Hafiz (2015) Asymmetric fiber taper for temperature sensing applications. In: 2015 IEEE International Broadband and Photonics Conference (IBP), 23-25 Apr. 2015, Bali, Indonesia. (pp. 76-81).

Sulaiman, Abdul Hadi and Abu Bakar, Muhammad Hafiz and Hitam, Salasiah and Mahdi, Mohd Adzir and Md. Yusoff, Nelidya (2015) Multiwavelength SOA fiber ring laser based on bidirectional Lyot filter. In: 1st International Conference on Telematics and Future Generation Networks (TAFGEN 2015), 26-28 May 2015, Kuala Lumpur, Malaysia. (pp. 95-98).

Mustapha Kamil, Yasmin and Mustapa, Mohd Azmir and Abu Bakar, Muhammad Hafiz and Musa, Baktiar and Amir Hamzah, Amir Syahir and Yaacob, Mohd Hanif and Mahdi, Mohd Adzir (2015) Refractive index sensor with asymmetrical tapered fiber based on evanescent field sensing. In: 2015 IEEE International Broadband and Photonics Conference (IBP), 23-25 Apr. 2015, Bali, Indonesia. (pp. 35-39).

Mustapha Kamil, Yasmin and Abu Bakar, Muhammad Hafiz and Amir Hamzah, Amir Syahir and Mahdi, Mohd Adzir (2014) Determining salinity using a singlemode tapered optical fiber. In: 5th International Conference on Photonics (ICP 2014), 2-4 Sept. 2014, Palace of the Golden Horses, Kuala Lumpur, Malaysia. (pp. 223-226).

Noura, Amin and Mamdoohi, Ghazaleh and Yaacob, Mohd Hanif and Abu Bakar, Muhammad Hafiz and Ahmad Anas, Siti Barirah (2014) Optimization of hybrid Raman-Brillouin-EDF amplification fiber laser in long distance FBG sensor system. In: 5th International Conference on Photonics (ICP 2014), 2-4 Sept. 2014, Palace of the Golden Horses, Kuala Lumpur, Malaysia. (pp. 204-206).

Ibrahim @ Ghazali, Siti Azlida and Abdul Rahman, Norizah and Abu Bakar, Muhammad Hafiz and Yaacob, Mohd Hanif and Mahdi, Mohd Adzir (2014) Polyaniline coated on tapered multimode fiber for ammonia sensing. In: 5th International Conference on Photonics (ICP 2014), 2-4 Sept. 2014, Palace of the Golden Horses, Kuala Lumpur, Malaysia. (pp. 233-235).

Zainol Abidin, Nadiah and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir and Tamchek, Nizam (2014) Raman fiber laser with highly non-linear fiber. In: 5th International Conference on Photonics (ICP 2014), 2-4 Sept. 2014, Palace of the Golden Horses, Kuala Lumpur, Malaysia. (pp. 93-95).

Md Ali, Mas Izyani and Muhammad Noor, Ahmad Shukri and Ahmad Anas, Siti Barirah and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2014) Stable dual-wavelength fiber laser utilizing tapered-EDF as comb filter in hybrid Raman-EDF gains. In: 5th International Conference on Photonics (ICP 2014), 2-4 Sept. 2014, Palace of the Golden Horses, Kuala Lumpur, Malaysia. (pp. 87-89).

Mustapa, Mohd Azmir and Abu Bakar, Muhammad Hafiz and Amir Hamzah, Amir Syahir and Mahdi, Mohd Adzir (2014) Tapered multimode fiber sensor for salinity detection. In: 5th International Conference on Photonics (ICP 2014), 2-4 Sept. 2014, Palace of the Golden Horses, Kuala Lumpur, Malaysia. (pp. 227-229).

Razali, N. F. and Abu Bakar, Muhammad Hafiz and Tamchek, Nizam and Yaacob, Mohd Hanif and Mahdi, Mohd Adzir (2014) Temperature sensitivity comparison between bare FBG and buffered FBG. In: 5th International Conference on Photonics (ICP 2014), 2-4 Sept. 2014, Palace of the Golden Horses, Kuala Lumpur, Malaysia. (pp. 36-37).

Jamalud-din, Amirull-din and Hitam, Salasiah and Abu Bakar, Muhammad Hafiz (2013) Half-opened cavity random distributed feedback laser with FBG wavelength variation. In: 4th International Conference on Photonics (ICP2013), 28-30 Oct. 2013, Equatorial Hotel Melaka, Malaysia. (pp. 303-305).

Shargh, Raheleh Sonee and Al-Mansoori, Mohammed Hayder and Ahmad Anas, Siti Barirah and Sahbudin, Ratna Kalos Zakiah and Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir (2012) Effect of Raman pump direction on conventional multiwavelength Brillouin-Raman fiber laser. In: 3rd International Conference on Photonics 2012 (ICP 2012), 1-3 Oct. 2012, Penang, Malaysia. (pp. 184-186).

Abu Bakar, Muhammad Hafiz and Abas, Ahmad Fauzi and Mokhtar, Makhfudzah and Mahdi, Mohd Adzir (2011) Bidirectionally-pumped remote L-band EDFA module utilizing stimulated Raman scattering. In: 2011 IEEE 2nd International Conference on Photonics, 17-19 Oct. 2011, Le Meridien Hotel, Kota Kinabalu, Sabah. .

Mohamad, Hafizah and Md. Yusoff, Nelidya and Abu Bakar, Muhammad Hafiz and Shahabuddin, Nurul Shahrizan and Abdul Rashid, Hairul Azhar and Yusoff, Zulfadzli and Ismail, Alyani and Ahmad Anas, Siti Barirah and Mahdi, Mohd Adzir (2011) Ultrashort pulse laser generation in ring-type EDFL using carbon-nanotube saturable absorber. In: 2011 IEEE 2nd International Conference on Photonics, 17-19 Oct. 2011, Le Meridien Hotel, Kota Kinabalu, Sabah. .

Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir and Yeo, Kwok Shien (2008) L-band erbium-doped fiber amplifier pumped by 1455 nm laser source for repeaterless transmission systems. In: International Conference on Electronic Design (ICED 2008), 1-3 Dec. 2008, Park Royal Hotel, Penang, Malaysia. .

Mohd Adzir Mahdi (2012) A single-core fiber Mach-Zehnder interferometric comb filter. PI2012000683.

Abu Bakar, Muhammad Hafiz (2012) New pump delivery scheme for remotely pumped L-band erbium-doped fiber amplifier. PhD thesis, Universiti Putra Malaysia.