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Proceedings Paper

A high temperature sensor based on a peanut structure-based Michelson interferometer
Author(s): Tao Zhu; Di Wu; De-Wen Duan; Kinseng Chiang; Yun-Jiang Rao
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Paper Abstract

A novel fiber temperature sensor with high sensitivity based on a Michelson interferometer in a single-mode fiber is constructed and demonstrated. The sensor consists of a peanut-shape structure and we demonstrated that the peanut-shape structure can couple the light energy of the core mode into the cladding and re-couple the light in the cladding into the core. The experimental results show that the device can be heated up to 900°C with the sensitive of 0.096nm/° when the sensor length L is ~21mm. Such kind of simple, low-cost, and highly sensitive fiber-optic temperature sensor would find applications in sensing fields.

Paper Details

Date Published: 31 January 2012
PDF: 8 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510D (31 January 2012); doi: 10.1117/12.914363
Show Author Affiliations
Tao Zhu, Chongqing Univ. (China)
Di Wu, Chongqing Univ. (China)
De-Wen Duan, Chongqing Univ. (China)
Kinseng Chiang, City Univ. of Hong Kong (Hong Kong, China)
Chongqing Univ. (China)
Yun-Jiang Rao, Univ. of Electronic Science and Technology of China (China)
Chongqing Univ. (China)


Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference
John Canning; Gangding Peng, Editor(s)

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