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Conferences > ACPC > 2016 > AF2A > AF2A.131

A Twist Sensor With Sensitivity-enhanced Based Sagnac Interferometer

Jian Jun Wu, Xiang Shen, Xin Luo, Xiong Wei Hu, Jing Gang Peng, Hai Qing Li, Lv Yun Yang, Jing Yan Li, and Neng Li Dai

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Abstract

we propose a twist sensor by employing a Sagnac interferometer based on polarization-maintaining photonic crystal fiber (PM-PCF). In order to improve the torsion sensitivity, a short length of PM-PCF is processed by CO2 laser. The maximum sensitivity can reach up to 0.55nm/° after post-processing, which is 3 times higher than unprocessed.

© 2016 Optical Society of America

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