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Title: Temperature-insensitive pressure sensing technology based on polarization maintaining photonic crystal fiber Sagnac interferometer
Other Title: 基于保偏光子晶体光纤Sagnac干涉仪的温度不敏感压力传感技术
Authors: Yang, Y
Liu, S
Lu, L
Jin, W 
Issue Date: 2016
Source: 红外与激光工程 (Infrared and laser engineering), Aug. 2016, v. 45, no. 8, p. 14-19
Abstract: 分析和仿真了含两段保偏光纤的光纤Sagnac干涉仪输出光谱特性,获得消除两段双折射光纤交叉敏感的条件。提出了一种基于保偏光子晶体光纤Sagnac干涉仪的温度不敏感压力传感技术。采用实心保偏光子晶体光纤作为传感光纤,搭建了基于双段保偏光子晶体光纤Sagnac干涉仪的侧向压力传感系统,分别进行侧向压力测试及温度影响实验。实验结果表明,侧向压力灵敏度可以达到的0.287 7 nm/N,同时由温度变化引起的漂移量小于0.1 pm/℃。
The transmission spectrum characteristic of two-segment polarization maintaining fibers Sagnac interferometer was investigated and simulated in detail and the optimal parameters for eliminating the crosstalk between the two polarization maintaining fibers was obtained. A temperature-insensitive pressure sensing technology was proposed. An experimental Sagnac interferometer was built and the solid core polarization maintaining photonic crystal fibers were taken as the sensing probe. The side pressure sensitive coefficients and the temperature crosstalk drift were measured and compared. The experimental results show that the side pressure sensitive coefficient was about 0.2877 nm/N and the temperature drift was less than 0.1 pm/℃.
Keywords: Polarization maintaining fiber
Polarization maintaining photonic crystal fiber
Pressure sensing
Sagnac interferometer
Temperature
Publisher: 中国学术期刊(光盘版)电子杂志社
Journal: 红外与激光工程 (Infrared and laser engineering) 
ISSN: 1007-2276
DOI: 10.3788/IRLA201645.0802002
Rights: © 2016 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
© 2016 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
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