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Zhang, J. and Qiao, X.G. and Yang, H.Z. and Wang, R. and Rong, Q. and Lim, Kok Sing and Ahmad, Harith (2017) All-fiber magnetic field sensor based on tapered thin-core fiber and magnetic fluid. Applied Optics, 56 (2). pp. 200-204. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.56.000200.
Liu, H. and Yang, H.Z. and Qiao, X.G. and Wang, Y. and Liu, X.C. and Lee, Y.S. and Lim, Kok Sing and Ahmad, Harith (2017) Curvature and Temperature Measurement Based on a Few-Mode PCF Formed M-Z-I and an Embedded FBG. Sensors, 17 (8). p. 1725. ISSN 1424-8220, DOI https://doi.org/10.3390/s17081725.
Luo, D. and Li, P. and Yue, Y.C. and Ma, J.X. and Yang, H.Z. (2017) In-Fiber Optic Salinity Sensing: A Potential Application for Offshore Concrete Structure Protection. Sensors, 17 (5). p. 962. ISSN 1424-8220, DOI https://doi.org/10.3390/s17050962.
Zhang, P. and Yang, H.Z. and Wang, Y. and Liu, H. and Lim, Kok Sing and Gunawardena, D.S. and Ahmad, Harith (2017) Strain measurement at temperatures up to 800°C using regenerated gratings produced in the highGe-doped and B/Ge co-doped fibers. Applied Optics, 56 (22). pp. 6073-6078. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.56.006073.
Islam, M.R. and Gunawardena, D.S. and Lee, Y.S. and Lim, Kok Sing and Yang, H.Z. and Ahmad, Harith (2016) Fabrication and characterization of laser-ablated cladding resonances of two different-diameter photosensitive optical fibers. Sensors and Actuators A: Physical, 243. pp. 111-116. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2016.03.025.
Lim, Kok Sing and Islam, M.R. and Lee, Y.S. and Yang, H.Z. and Ahmad, Harith (2016) LP01–LP11Cross-Mode Interference in a Chirped Grating Inscribed in Two-Mode Fiber. IEEE Journal of Quantum Electronics, 52 (6). pp. 1-6. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2016.2564679.
Lai, M.H. and Islam, M.R. and Lim, K.S. and Fang, S.D. and Yang, H.Z. and Qiao, X.G. and Ahmad, Harith (2016) Nonlinear output response of acousto-optic modulated distributed bragg reflector (DBR) fiber laser. Optoelectronics and Advanced Materials, Rapid Communications, 10 (9-10). pp. 611-615. ISSN 1842-6573,
Liu, H. and Yang, H.Z. and Qiao, X.G. and Hu, M.L. and Feng, Z.Y. and Wang, R. and Rong, Q. and Gunawardena, D.S. and Lim, K.S. and Ahmad, Harith (2016) Strain measurement at high temperature environment based on Fabry-Perot interferometer cascaded fiber regeneration grating. Sensors and Actuators A: Physical, 248. pp. 199-205. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2016.07.028.
Gunawardena, D.S. and Mat-Sharif, K.A. and Lai, M.H. and Lim, Kok Sing and Tamchek, N. and Omar, N.Y.M. and Emami, S.D. and Muhamad-Yasin, S.Z. and Zulkifli, M.I. and Yusoff, Z. and Yang, H.Z. and Abdul-Rashid, H.A. and Ahmad, Harith (2016) Thermal Activation of Regenerated Grating in Hydrogenated Gallosilicate Fiber. IEEE Sensors Journal, 16 (6). pp. 1659-1664. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2015.2503438.
Yang, H.Z. and Ali, M.M. and Islam, M.R. and Lim, Kok Sing and Gunawardena, D.S. and Ahmad, Harith (2015) Cladless few mode fiber grating sensor for simultaneous refractive index and temperature measurement. Sensors and Actuators A: Physical, 228. pp. 62-68. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2015.03.001.
Yang, H.Z. and Qiao, X.G. and Wang, Y.P. and Ali, M.M. and Lai, M.H. and Lim, Kok Sing and Ahmad, Harith (2015) In-Fiber Gratings for Simultaneous Monitoring Temperature and Strain in Ultrahigh Temperature. IEEE Photonics Technology Letters, 27 (1). pp. 58-61. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2014.2361768.
Ali, M.M. and Islam, M.R. and Lim, K.S. and Gunawardena, D.S. and Yang, H.Z. and Ahmad, Harith (2015) PCF-Cavity FBG Fabry-Perot Resonator for Simultaneous Measurement of Pressure and Temperature. IEEE Sensors Journal, 15 (12). pp. 6921-6925. ISSN 1530-437X,
Yang, H.Z. and Qiao, X.G. and Rajibul, I.M. and Lim, K.S. and Ahmad, Harith (2014) Simultaneous measurement of aliphatic alcohol concentration and temperature based on etched taper FBG. Sensors and Actuators B: Chemical, 202. pp. 959-963. ISSN 0925-4005, DOI https://doi.org/10.1016/j.snb.2014.06.058.
Yang, H.Z. and Qiao, X.G. and Lim, K.S. and Harun, Sulaiman Wadi and Chong, W.Y. and Islam, Md. Rajibul and Ahmad, Harith (2014) Optical Fiber Sensing of Salinity and Liquid Level. IEEE Photonics Technology Letters, 26 (17). pp. 1742-1745. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2014.2330206.
Yang, H.Z. and Chong, W.Y. and Qiao, X.G. and Lim, M.J. and Lim, K.S. and Islam, M.R. and Ali, N.M. and Ahmad, Harith (2013) 1.3 and 1.55μm Thermally Regenerated Gratings in Hydrogenated Boron/Germanium Co-Doped Photosensitivity Fiber. IEEE Sensors Journal, 14 (5). pp. 1352-1356. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2013.2294973 .
Yang, H.Z. and Chong, W.Y. and Cheong, Y.K. and Lim, K.S. and Pua, C.H. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) Thermal Regeneration in Etched-Core Fiber Bragg Grating. IEEE Sensors Journal, 13 (7). pp. 2581-2585. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2013.2256344.
Lim, K.S. and Yang, H.Z. and Chong, W.Y. and Cheong, Y.K. and Lim, C.H. and Ali, N.M. and Ahmad, Harith (2013) Axial contraction in etched optical fiber due to internal stress reduction. Optics Express, 21 (3). pp. 2551-2562. ISSN 1094-4087, DOI https://doi.org/10.1364/OE.21.002551.
Ali, M.M. and Lim, K.S. and Yang, H.Z. and Chong, W.Y. and Lim, W.S. and Ahmad, Harith (2013) Direct period measurement for fiber Bragg grating using an optical imaging technique. Applied Optics, 52 (22). pp. 5393-5397. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.52.005393.
Yang, H.Z. and Lim, K.S. and Qiao, X.G. and Chong, W.Y. and Cheong, Y.K. and Lim, W.H. and Lim, W.S. and Ahmad, Harith (2013) Reflection spectra of etched FBGs under the influence of axial contraction and stress-induced index change. Optics Express, 21 (12). pp. 14808-14815. ISSN 1094-4087, DOI https://doi.org/10.1364/OE.21.014808.
Lim, K.S. and Yang, H.Z. and Becir, A. and Lai, M.H. and Ali, M.M. and Qiao, X.G. and Ahmad, Harith (2013) Spectral analysis of bent fiber Bragg gratings: theory and experiment. Optics Letters, 38 (21). pp. 4409-4412. ISSN 0146-9592, DOI https://doi.org/10.1364/OL.38.004409.
Pang, S.W. and Yang, H.Z. and Harun, Sulaiman Wadi (2011) Simple fiber optic sensor based on tapered fiber for aliphatic alcohol detection. Journal of Optoelectronics and Advanced Materials, 13 (5-6). pp. 604-608. ISSN 1454-4164,
Yang, H.Z. and Harun, Sulaiman Wadi and Ahmad, Harith (2010) Displacement sensing with two asymmetrical inclined fibers. Microwave and Optical Technology Letters, 52 (6). pp. 1271-1274. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.25173.
Harun, Sulaiman Wadi and Yasin, M. and Yang, H.Z. and Kusminarto, - and Karyono, - and Ahmad, Harith (2010) Estimation of metal surface roughness using fiber optic displacement sensor. Laser Physics, 20 (4). pp. 904-909. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10070091.
Yasin, M. and Harun, Sulaiman Wadi and Yang, H.Z. and Ahmad, Harith (2010) Fiber optic displacement sensor for measurement of glucose concentration in distilled water. Optoelectronics and Advanced Materials, Rapid Communications, 4 (8). pp. 1063-1065. ISSN 1842-6573,
Harun, Sulaiman Wadi and Yang, H.Z. and Yasin, M. and Ahmad, Harith (2010) Theoretical and experimental study on the fiber optic displacement sensor with two receiving fibers. Microwave and Optical Technology Letters, 52 (2). pp. 373-375. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.24900.
