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提出了一种在刻纹光杆上镀敷具有热胀性薄膜的全光纤温度传感容．缩小了外形尺寸，提高了温度传感灵敏度．这种传感器具有线性温度响应和良好的重复性，可用于低于200℃的温度测量．
An all-fiber temperature sensing volume with thermo-expandable film is plated on the engraved polished rod. Reduced size and increased temperature sensing sensitivity. This sensor has a linear temperature response and good repeatability, can be used for temperature measurements below 200 ℃.