Refractive index sensing by a periodical pressure on a single-mode fiber

Xiaojun Zhou; Shenghui Shi; Zhiyao Zhang; Xiaoyun Li; Yong Liu

doi:10.1117/12.908059

30 January 2012 Refractive index sensing by a periodical pressure on a single-mode fiber

Xiaojun Zhou, Shenghui Shi, Zhiyao Zhang, Xiaoyun Li, Yong Liu

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 835108 (2012) https://doi.org/10.1117/12.908059
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

A refractive index sensor using a pressure-induced long-period grating is proposed and demonstrated. The sensing element is made of a composite optical waveguide based on a single-mode fiber. The experimental results show that the sensitivity for LP₁₄ mode resonance is 72nm/RIU (refractive index unit) when the medium refractive index varies from 1.33 to 1.43.

Citation Download Citation

Xiaojun Zhou, Shenghui Shi, Zhiyao Zhang, Xiaoyun Li, and Yong Liu "Refractive index sensing by a periodical pressure on a single-mode fiber", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 835108 (30 January 2012); https://doi.org/10.1117/12.908059

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