Novel force sensor based on a high-birefringence fiber loop mirror and a freely supported beam

Shuhong Li; Qida Zhao; Dong Bo; Tongqing Liao; Yinping Miao; Xiangye Zeng

doi:10.1117/12.743704

21 November 2007 Novel force sensor based on a high-birefringence fiber loop mirror and a freely supported beam

Shuhong Li, Qida Zhao, Dong Bo, Tongqing Liao, Yinping Miao, Xiangye Zeng

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67810B (2007) https://doi.org/10.1117/12.743704
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

A novel high-birefringence fiber loop mirror(HBFLM) force sensor based on a freely supported beam(FSB) is demonstrated theoretically and experimentally. Part of the high-birefringence fiber(HBF) is pasted onto the central surface of the FSB. The force is applied to the center of the FSB, which leads to the pre-demarcated wavelength shift of the transmission spectrum of the HBFLM. The sensitivity reaches 8.9N/nm, the resolution is 0.049N, and the linear measurement range is 0.049N~0.392N.There is a good linear relationship between the force and the wavelength shift. The advantages of the sensor include simple structure, high sensitivity, low cost, and good repeatability, etc.

Citation Download Citation

Shuhong Li, Qida Zhao, Dong Bo, Tongqing Liao, Yinping Miao, and Xiangye Zeng "Novel force sensor based on a high-birefringence fiber loop mirror and a freely supported beam", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67810B (21 November 2007); https://doi.org/10.1117/12.743704

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