Author： Hsieh Tso-Sheng Chen Yi-Chian Chiang Chia-Chin
Publisher： MDPI
E-ISSN： 2072-666x|7|12|227-227
ISSN： 2072-666x
Source： Micromachines, Vol.7, Iss.12, 2016-12, pp. : 227-227
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Abstract
In this paper, we report the numerical calculations for a thermo-optical model and the temperature sensitivity of a fiber Bragg grating (FBG) sensor. The thermally-induced behaviors of a FBG sensor in the gas nitriding process were analyzed for temperatures ranging from 100–650 °C. The FBG consisted of properly chosen photosensitive fiber materials with an optimized thermo-optic coefficient. The experimental and optimized thermo-optic coefficient results were consistent in terms of temperature sensitivity. In these experiments, the temperature sensitivity of the FBG was found to be 11.9 pm/°C.
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