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

Xiaojun Fan; Junfeng Jiang; Xuezhi Zhang; Kun Liu; Shuang Wang; Tiegen Liu

doi:10.1117/12.2541522

18 December 2019 Temperature-compensated refractive index sensing with high sensitivity using hybrid fiber grating

Xiaojun Fan, Junfeng Jiang, Xuezhi Zhang, Kun Liu, Shuang Wang, Tiegen Liu

Proceedings Volume 11338, AOPC 2019: Optical Sensing and Imaging Technology; 113380H (2019) https://doi.org/10.1117/12.2541522
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

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.

Citation Download Citation

Xiaojun Fan, Junfeng Jiang, Xuezhi Zhang, Kun Liu, Shuang Wang, and Tiegen Liu "Temperature-compensated refractive index sensing with high sensitivity using hybrid fiber grating", Proc. SPIE 11338, AOPC 2019: Optical Sensing and Imaging Technology, 113380H (18 December 2019); https://doi.org/10.1117/12.2541522

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