A high temperature sensor based on a peanut structure-based Michelson interferometer

Tao Zhu; Di Wu; De-Wen Duan; Kinseng Chiang; Yun-Jiang Rao

doi:10.1117/12.914363

30 January 2012 A high temperature sensor based on a peanut structure-based Michelson interferometer

Tao Zhu, Di Wu, De-Wen Duan, Kinseng Chiang, Yun-Jiang Rao

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83510D (2012) https://doi.org/10.1117/12.914363
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

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.

Citation Download Citation

Tao Zhu, Di Wu, De-Wen Duan, Kinseng Chiang, and Yun-Jiang Rao "A high temperature sensor based on a peanut structure-based Michelson interferometer", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510D (30 January 2012); https://doi.org/10.1117/12.914363

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