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Temperature-compensated refractive index sensing with high sensitivity using hybrid fiber grating
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Paper Abstract

A hybrid fiber grating for refractive index (RI) measurement with temperature compensation is reported and experimentally validated. The sensor is fabricated successively by inscribing long period grating (LPG) and tilted fiber Bragg grating (TFBG) in the same region of an optical fiber in sequence. The measured RI at different temperature agreed well with the standard value. The RI sensitivities is 579.36 nm/RIU.

Paper Details

Date Published: 18 December 2019
PDF: 4 pages
Proc. SPIE 11338, AOPC 2019: Optical Sensing and Imaging Technology, 113380H (18 December 2019); doi: 10.1117/12.2541522
Show Author Affiliations
Xiaojun Fan, Tianjin Univ. (China)
Junfeng Jiang, Tianjin Univ. (China)
Xuezhi Zhang, Tianjin Univ. (China)
Kun Liu, Tianjin Univ. (China)
Shuang Wang, Tianjin Univ. (China)
Tiegen Liu, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 11338:
AOPC 2019: Optical Sensing and Imaging Technology
John E. Greivenkamp; Jun Tanida; Yadong Jiang; HaiMei Gong; Jin Lu; Dong Liu, Editor(s)

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