From Event: SPIE Optical Engineering + Applications, 2017
Blackbody radiation of the material in high temperature has the great potential to become the light source of an optical fiber sensing system. In this paper, a blackbody radiation cavity is designed and the influence factors of light energy coupling into fiber are analyzed. Fiber Fabry-Perot sensing system based on light source of blackbody radiation has been set up and strain sensing experiment has been carried out. Results show that blackbody radiation is strong enough to support sensing of fiber Fabry-Perot sensors in high temperature, the strain sensitivity is 14.76nm / με ~ 15.63 nm / με.
Tao Chen, Xiaohua Lei, Lei Xie, Yijun Deng, and Weimin Chen, "Optical fiber Fabry-Perot sensing system based on Blackbody radiation in high temperature applications," Proc. SPIE 10382, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI, 103820C (Presented at SPIE Optical Engineering + Applications: August 06, 2017; Published: 23 August 2017); https://doi.org/10.1117/12.2272852.
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