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Items: 1 to 20 of 37

1.

Regenerated grating produced in a multimaterial glass-based photosensitive fiber with an ultrahigh thermal regeneration ratio.

Yang HZ, Paul MC, Das S, Dhar A, Qiao XG, Nazal NAM, Lim KS, Ahmad H.

Opt Express. 2019 Feb 18;27(4):4329-4337. doi: 10.1364/OE.27.004329.

PMID:
30876049
2.

A Recent Progress of Steel Bar Corrosion Diagnostic Techniques in RC Structures.

Luo D, Li Y, Li J, Lim KS, Nazal NAM, Ahmad H.

Sensors (Basel). 2018 Dec 21;19(1). pii: E34. doi: 10.3390/s19010034. Review.

3.

Effect of two annealing processes on the thermal regeneration of fiber Bragg gratings in hydrogenated standard optical fibers.

Lu K, Yang H, Lim KS, Ahmad H, Zhang P, Tian Q, Ding X, Qiao X.

Appl Opt. 2018 Aug 20;57(24):6971-6975. doi: 10.1364/AO.57.006971.

PMID:
30129586
4.

Temperature-independent hygrometry using micromachined photonic crystal fiber.

Zhang P, Yang H, Lim KS, Ahmad H, Rong Q, Tian Q, Ding X.

Appl Opt. 2018 May 20;57(15):4237-4244. doi: 10.1364/AO.57.004237.

PMID:
29791400
5.

Mach-Zehnder interferometric magnetic field sensor based on a photonic crystal fiber and magnetic fluid.

Ding XZ, Yang HZ, Qiao XG, Zhang P, Tian O, Rong QZ, Nazal NAM, Lim KS, Ahmad H.

Appl Opt. 2018 Mar 20;57(9):2050-2056. doi: 10.1364/AO.57.002050.

PMID:
29603992
6.

Strain measurement at temperatures up to 800°C using regenerated gratings produced in the highGe-doped and B/Ge co-doped fibers.

Zhang P, Yang H, Wang Y, Liu H, Lim KS, Gunawardena DS, Ahmad H.

Appl Opt. 2017 Aug 1;56(22):6073-6078. doi: 10.1364/AO.56.006073.

PMID:
29047797
7.

Temperature sensing using CdSe quantum dot doped poly(methyl methacrylate) microfiber.

Irawati N, Harun SW, Rahman HA, Chong SS, Hamizi NA, Ahmad H.

Appl Opt. 2017 Jun 1;56(16):4675-4679. doi: 10.1364/AO.56.004675.

PMID:
29047599
8.

Curvature and Temperature Measurement Based on a Few-Mode PCF Formed M-Z-I and an Embedded FBG.

Liu H, Yang H, Qiao X, Wang Y, Liu X, Lee YS, Lim KS, Ahmad H.

Sensors (Basel). 2017 Jul 27;17(8). pii: E1725. doi: 10.3390/s17081725.

9.

Investigation on the Effects of the Formation of a Silver "Flower-Like Structure" on Graphene.

Zakaria R, Yusoff SFAZ, Law KC, Lim CS, Ahmad H.

Nanoscale Res Lett. 2017 Dec;12(1):50. doi: 10.1186/s11671-016-1793-y. Epub 2017 Jan 18.

10.

Potassium permanganate (KMnO<sub>4</sub>) sensing based on microfiber sensors.

Irawati N, Yusuf NA, Rahman HA, Yasin M, Ahmad H, Harun SW.

Appl Opt. 2017 Jan 10;56(2):224-228. doi: 10.1364/AO.56.000224.

PMID:
28085855
11.

All-fiber magnetic field sensor based on tapered thin-core fiber and magnetic fluid.

Zhang J, Qiao X, Yang H, Wang R, Rong Q, Lim KS, Ahmad H.

Appl Opt. 2017 Jan 10;56(2):200-204. doi: 10.1364/AO.56.000200.

PMID:
28085851
12.

D-Shaped Polarization Maintaining Fiber Sensor for Strain and Temperature Monitoring.

Qazi HH, Mohammad AB, Ahmad H, Zulkifli MZ.

Sensors (Basel). 2016 Sep 15;16(9). pii: E1505. doi: 10.3390/s16091505.

13.

Ultra-Sensitive Humidity Sensor Based on Optical Properties of Graphene Oxide and Nano-Anatase TiO2.

Ghadiry M, Gholami M, Lai CK, Ahmad H, Chong WY.

PLoS One. 2016 Apr 21;11(4):e0153949. doi: 10.1371/journal.pone.0153949. eCollection 2016.

14.

Nano-Anatase TiO₂ for High Performance Optical Humidity Sensing on Chip.

Ghadiry M, Gholami M, Kong LC, Yi CW, Ahmad H, Alias Y.

Sensors (Basel). 2015 Dec 29;16(1). pii: E39. doi: 10.3390/s16010039.

15.

Thulium-doped fiber laser utilizing a photonic crystal fiber-based optical low-pass filter with application in 1.7 μm and 1.8 μm band.

Emami SD, Khodaei A, Gandan S, Penny R, Lim KS, Abdul-Rashid HA, Ahmad H.

Opt Express. 2015 Jul 27;23(15):19681-8. doi: 10.1364/OE.23.019681.

PMID:
26367625
16.

Photosensitivity of gallium-doped silica core fiber to 193 nm ArF excimer laser.

Gunawardena DS, Mat-Sharif KA, Tamchek N, Lai MH, Omar NY, Emami SD, Muhamad-Yasin SZ, Zulkifli MI, Yusoff Z, Abdul-Rashid HA, Lim KS, Ahmad H.

Appl Opt. 2015 Jun 10;54(17):5508-12. doi: 10.1364/AO.54.005508.

PMID:
26192853
17.

Measurement of grating visibility of a fiber Bragg grating based on bent-spectral analysis.

Gunawardena DS, Lai MH, Lim KS, Ali MM, Ahmad H.

Appl Opt. 2015 Feb 10;54(5):1146-51. doi: 10.1364/AO.54.001146.

PMID:
25968033
18.

Performance analysis of an all-optical OFDM system in presence of non-linear phase noise.

Hmood JK, Harun SW, Emami SD, Khodaei A, Noordin KA, Ahmad H, Shalaby HM.

Opt Express. 2015 Feb 23;23(4):3886-900. doi: 10.1364/OE.23.003886.

PMID:
25836428
19.

Observation of grating regeneration by direct CO(2) laser annealing.

Lai MH, Gunawardena DS, Lim KS, Yang HZ, Ahmad H.

Opt Express. 2015 Jan 12;23(1):452-63. doi: 10.1364/OE.23.000452.

PMID:
25835690
20.

Thermal stress modification in regenerated fiber Bragg grating via manipulation of glass transition temperature based on CO₂-laser annealing.

Lai MH, Lim KS, Gunawardena DS, Yang HZ, Chong WY, Ahmad H.

Opt Lett. 2015 Mar 1;40(5):748-51. doi: 10.1364/OL.40.000748.

PMID:
25723423

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