Lun-Kai Cheng

Individual Member | Senior Research Scientist at TNO
Cheng, Lun-Kai
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SPIE Membership: 10.5 years
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Area of Expertise: Fiber Bragg Grating, Interferometer, High-speed phenomena, Optical fiber, Fiber laser, Sensor array
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Profile Summary

Cheng received his MSc degree in physics from Delft Univer¬sity, The Netherlands in 1989. His thesis is "Fabrication of and investigation on gratings in optical waveguides". After his study he joined the Optics Group of the TNO. He is involved in researches in interferometric systems, non-linear optics, optical sensors for process control and fiber optic sensor systems. From 1994 to 2000, Cheng was responsible for the Fiber Optic (FO) hydrophone project which was funded by the Royal Netherlands Navy (RNLN). He is involved in a number of European Space Agency (ESA) projects/proposals for infrared single mode fiber development and structural health monitoring using Fiber Bragg Grating sensor. He has developed various fiber optic pressure sensor systems for applications varying from GPa measurement in explosion/detonation investigations to sub-mPa acoustic detection for Oil&Gas applications. His current research interests are fiber laser sensors, fiber interferometers, picostrain FBG sensor and special fiber optic sensor systems for extreme environmental conditions as space, nuclear fusion, lithography and oil&gas. He is (co)author of more than 60 conference papers. His research resulted in >10 patents including a high-speed interrogation system for Fiber Bragg Grating sensor array (“DEMINSYS”) and a fiber optic Vortex flow meter (“SmartFlow”) which are commercialized under license.

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