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首页> 外文期刊>Photonics Journal, IEEE >Method for Enhancing and Controlling Temperature Sensitivity of Fiber Bragg Grating Sensor Based on Two Bimetallic Strips
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Method for Enhancing and Controlling Temperature Sensitivity of Fiber Bragg Grating Sensor Based on Two Bimetallic Strips

机译：基于两个双金属条的光纤布拉格光栅传感器的温度灵敏度增强和控制方法

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摘要

This paper presents a novel structure based on bimetallic strips for enhancing temperature sensitivity of fiber Bragg grating (FBG) sensors. Two different types of sensor heads have been designed for this implementation. The first sensor head consists of an FBG that is fixed between ceramic block on one side and a bimetallic strip made up of aluminum and copper on the other. The second sensor head consists of an FBG that is fixed between two bimetallic strips. Theoretical and experimental studies carried out on these proposed sensor heads resulted in an increase in temperature sensitivity of about six times greater than that of bare FBG sensor. Further, the proposed sensors have shown good linearity and stability.
机译：本文提出了一种基于双金属条的新型结构，用于增强光纤布拉格光栅（FBG）传感器的温度敏感性。为此实现设计了两种不同类型的传感器头。第一个传感器头由一个FBG组成，该FBG固定在一侧的陶瓷块和另一侧的由铝和铜制成的双金属条之间。第二个传感器头由固定在两个双金属条之间的FBG组成。在这些建议的传感器头上进行的理论和实验研究导致温度灵敏度的提高大约是裸FBG传感器的六倍。此外，提出的传感器显示出良好的线性和稳定性。

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