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Proceedings Paper

Refractive index sensing by a periodical pressure on a single-mode fiber
Author(s): Xiaojun Zhou; Shenghui Shi; Zhiyao Zhang; Xiaoyun Li; Yong Liu
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Paper 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.

Paper Details

Date Published: 31 January 2012
PDF: 6 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 835108 (31 January 2012); doi: 10.1117/12.908059
Show Author Affiliations
Xiaojun Zhou, Univ. of Electronic Science and Technology of China (China)
Shenghui Shi, Univ. of Electronic Science and Technology of China (China)
Zhiyao Zhang, Univ. of Electronic Science and Technology of China (China)
Xiaoyun Li, Univ. of Electronic Science and Technology of China (China)
Yong Liu, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference
John Canning; Gangding Peng, Editor(s)

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