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Proceedings Paper

1100°C fiber-optic high-temperature Fabry-Perot sensors fabricated by laser-micromachining
Author(s): Zengling Ran; Yong Chen; Yunjiang Rao; Dong Sun; En Lu; Zhiwei Liu
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Paper Abstract

Two laser-machined high-sensitivity fiber-optic Fabry-Perot (F-P) high temperature sensors based on sapphire and silica fibers are fabricated by laser-micromachining and demonstrated in this paper, respectively. The temperature characteristics of the sapphire and silica fiber sensor are investigated over a temperature range from 100°C to 1100°C. Experiment result shows that the sapphire F-P sensor has a temperature sensitivity of ~50 pm/°C with a linearity of 0.999, which is 5 times higher than that of the silica F-P sensor.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775317 (17 May 2011); doi: 10.1117/12.884921
Show Author Affiliations
Zengling Ran, Univ. of Electronic Science and Technology of China (China)
Yong Chen, Univ. of Electronic Science and Technology of China (China)
Yunjiang Rao, Univ. of Electronic Science and Technology of China (China)
Dong Sun, Univ. of Electronic Science and Technology of China (China)
En Lu, Univ. of Electronic Science and Technology of China (China)
Zhiwei Liu, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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