基于长周期光纤光栅的悬臂应变传感器

2012 Symposium on Photonics and Optoelectronics Pub Date : 2012-05-21 DOI:10.1109/SOPO.2012.6270947

Xin Zou, Changyu Shen, Jin-lei Chu, Chuan Zhong

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引用次数: 4

摘要

提出了一种基于长周期光纤光栅的悬臂式应变传感器系统。研究了液化石油气传输强度的应变响应。实验结果表明，液化石油气的透射强度随应变的变化而变化。而LPG的主透射强度不变，可以用来检测温度。该传感器的灵敏度在0.5到5N的范围内可达0.75 dB / N。结果表明，LPG悬臂式应变传感器可以同时测量应变和温度。

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Long-Period Fiber Grating Based Cantilever Strain Sensor

Cantilever Strain Sensor system based on long-period fiber grating (LPG) is presented. Strain response of the transmission intensity of the LPG is investigated. Experimental results show that a transmission intensity of LPG changed with the changing of the strain. And the main transmission intensity of the LPG unchanged, which can used to detect the temperature. The sensitivity of this sensor is up to 0.75 dB / N over a range from 0.5 to 5N. It indicates the LPG cantilever strain sensor is feasible to measure strain and temperature simultaneously.

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2012 Symposium on Photonics and Optoelectronics

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