In-line single-mode fiber interferometers based on peanut-shape fiber structure

Di Wu; Tao Zhu; De-Wen Duan; Kin Seng Chiang; Ming Deng

doi:10.1117/12.966811

7 November 2012 In-line single-mode fiber interferometers based on peanut-shape fiber structure

Di Wu, Tao Zhu, De-Wen Duan, Kin Seng Chiang, Ming Deng

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84217N (2012) https://doi.org/10.1117/12.966811
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A novel peanut-shape fiber structure which can realize the coupling and re-coupling between the fiber core mode and the cladding modes is proposed in this paper. Based on the peanut-shape structure, two kinds of simple and low-cost interferometers are fabricated in single-mode fiber (SMF). Experimental results show that the temperature sensitivities of the Mach-Zehnder and Michelson interferometers were ~46.8pm/°C and ~0.096 nm/°C, respectively. In particular, the Michelson interferometer could be heated up to 900°C, which is suitable for the high temperature sensing applications.

Citation Download Citation

Di Wu, Tao Zhu, De-Wen Duan, Kin Seng Chiang, and Ming Deng "In-line single-mode fiber interferometers based on peanut-shape fiber structure", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84217N (7 November 2012); https://doi.org/10.1117/12.966811

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