Experienced scientist cum engineer with a demonstrated history of working with the industry and academic. Excellent engineering professional postgraduate from Nanyang Technological University, Singapore


Skilled in

  1. Laboratory research and development,

  2. Technology transfer,

  3. Site deployment/testing/commission (i.e. at Jurong Island, overseas / Spain, etc.),

  4. OOP programming languages (i.e. MATLAB, LabVIEW, Python, etc.),

  5. Photonics (i.e. fiber optics, interferometry, spectroscopy, optical waveguides, software from Lumerical, RSoft, etc.),

  6. Sensors (i.e. vibration, refactrometer, temperature, strain / stress, range sensor, etc.)


Background

Lim, Jun Long received his Ph.D in EEE from the Nanyang Technological University (NTU). He also received his Bachelor of Engineering in Electrical and Electronic Engineering (EEE) with Honours (Distinction) from NTU and his Diploma in Electronics & Communication Engineering (DECC) from the Singapore Polytechnic (SP). He has been an appointed public service officer at a statutory board in Singapore since 2010. Under the Singapore Enlistment Act 1970, he was enlisted in the Singapore’s conscription in 2005, known as National Service, and later served in the Republic of Singapore Air Force (RSAF) until his end of service in 2007. He is still with the RSAF as an active NSmen Air Force Engineer servicing the Heron 1 UAV.


Reference Links:Singapore Polytechnic (SP), National Service, Republic of Singapore Air Force (RSAF), Electrical and Electronic Engineering (EEE), Distinction, Nanyang Technological University (NTU), statutory board, Ph.D candidate, NSmen, Heron 1 UAV, Tuition Fee Loan

Featured Topics in Fiber Sensor

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A.K.A.

Lim, Jun Long; Jun Long LIM; Long LIM; J. L. LIM; L. LIM; Lim, J. L.; limjunlong.singapore; limjunlongsingapore

Selected Research Publications on Optical Fiber Sensor / Optical Sensor

  1. J. L. Lim, D. J. J. Hu, P. P. Shum, and Y. Wang, “Temperature Response of Polarization-Maintaining Photonic Crystal Fiber based Interferometer”, in Proc. of IEEE Microwave Photonics (MWP) Conference, Singapore, 2011. [direct link] [DOI]

  2. J. L. Lim, D. J. J. Hu, P. P. Shum, and Y. Wang, “Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing”, IEEE Photonic Journal, vol. 4, no. 4, pp. 1163–1169, Aug. 2012. [direct link] [DOI] [direct download] [mirror-1] [mirror-2]

  3. J. L. Lim, D. J. J. Hu, P. P. Shum, Y. Wang, and E. J. Hao, “Microbubble-Enabled Photonic Crystal Fiber-based Sensors”, in Proc. of Photonics Global Conference (PGC), Singapore, 2012.

  4. J. L. Lim, D. J. J. Hu, D. Cui, S. Yoo, P. P. Shum, and W. Loh, “Characteristics of Suspended-Core Fiber Interferometer: Modal Analysis”, in Proc. of Photonics Global Conference (PGC), Singapore, 2012.

  5. D. J. J. Hu, J. L. Lim, M Jiang, Y. Wang, and W. Tong, “Long period grating cascaded to photonic crystal fiber modal interferometer for simultaneous measurement of temperature and refractive index ”, Optics Letters (OL), vol. 37, no. 12, pp. 2283–2285, Jun. 2012. [6 version available]

    • Cited by 103

    • Abstract: We propose and demonstrate a novel and simple dual-parameter measurement scheme based on a cascaded optical fiber device of long-period grating (LPG) and photonic crystal fiber (PCF) modal interferometer. The temperature and refractive index (RI) can be measured simultaneously by monitoring the spectral characteristics of the device. The implemented sensor shows distinctive spectral sensitivities of −30.82 nm/RIU (refractive index unit) and 47.4 pm/°C by the LPG, and 171.96 nm/RIU and 10.4 pm/°C by the PCF modal interferometer. The simultaneous measurement of the temperature and external RI is experimentally demonstrated by the sensor. The temperature shift and RI shift calculated by the sensor matrix agree well with the actual temperature and RI change in the experiment

  6. D. J. J. Hu, J. L. Lim, Y. Cui, K. Milenko, Y. Wang, P. P. Shum, and T. Wolinski, “Fabrication and characterization of a highly temperature sensitive device based on nematic liquid crystal filled photonic crystal fiber”, IEEE Photonic Journal, vol. 4, no. 5, pp. 1248–1255, Oct. 2012. [direct link] [DOI]

    • Cited by 72

  7. D. J. J. Hu, Y. Cui, J. L. Lim, P. P. Shum, G. Humbert, J. Auguste, and Y. Wang, “Design and fabrication of a holey fiber microfluidic device with transverse micro-channel”, Photonics Letters of Poland, vol. 6, no. 2, pp. 53–55, Jun. 2014. [direct link] [direct download] [mirror-1] [mirror-2]

  8. J. L. Lim, D. J. J. Hu, P. P. Shum, and Y. Wang, “Design and Analysis of Microfluidic Optical Fiber Device for Refractive Index Sensing,” IEEE Photonic Technology Letters, vol. 26, no. 21, pp. 2130–2133, Nov. 2014.

  9. J. L. Lim*, K. Li*, Z. Xu, D. J. J. Hu, R. Y.-N. Wong, P. P. Shum, E. J. Hao, Y. Wang, Q. Sun, and M. Jiang, “Investigation of temperature sensitivity under the influence of coupling strength between a silica core and a satellite waveguide in a photonic crystal fiber with selective infiltration of glycerin,” Procedia Engineering, vol. 140, pp. 72–76, 2016.

  10. J. L. Lim*, Z. Xu*, D. J. J. Hu, Q. Sun, R. Y.-N. Wong, K. Li, M. Jiang, and P. P. Shum, “Investigation of temperature sensing characteristics in selectively infiltrated photonic crystal fiber,” Optics Express (OE), vol. 24, no. 2, pp. 1699–1707, Jan. 2016. [direct link] [DOI] [direct download] [mirror-1] [mirror-2]

* denotes joint-first authorship


Professional Experience

Reference

  1. Dr. Yandong Gong, Scientist, Institute for Infocomm Research [Linkedin] [ResearchGate]

Referral



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