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29 October 2001 Highly sensitive long-period fiber grating temperature sensor
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Proceedings Volume 4595, Photonic Systems and Applications; (2001) https://doi.org/10.1117/12.446627
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore
Abstract
A novel technique to increase the temperature sensitivity of LPGs by exploiting the relatively large thermal coefficient of index-matching fluid to induce a large spectral shift of the LPG is reported in this paper. It is shown that the wavelength shift with temperature for such a LPG sensor can be as much as 1,500 times larger than that of sensors made of fiber Bragg gratings. A LPG-based temperature sensor with a resolution of about 0.03 degree(s)C is reported.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Shun-Yee Liu, Hwa-Yaw Tam, and M. Suleyman Demokan "Highly sensitive long-period fiber grating temperature sensor", Proc. SPIE 4595, Photonic Systems and Applications, (29 October 2001); https://doi.org/10.1117/12.446627
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