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首页> 外文期刊>Optical fiber technology >A natural rubber diaphragm based transducer for simultaneous pressure and temperature measurement by using a single FBG
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A natural rubber diaphragm based transducer for simultaneous pressure and temperature measurement by using a single FBG

机译：基于天然橡胶膜片的传感器，可通过单个FBG同时测量压力和温度

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摘要

A natural rubber diaphragm bonded with a single FBG is demonstrated to measure the pressure and temperature simultaneously. Half of the grating is bonded to the rubber diaphragm while the other half is bonded to the aluminium sheet. Under varying pressure at constant temperature, the sensitivity is recorded at 0.1007 nm/kPa with coefficient of 6.49 x 10(-5) kPa(-1). The temperature sensitivities at constant pressure is recorded at 0.0797 nm/degrees C and 0.0326 nm/degrees C, respectively. The experimentally obtained different sensitivities of the sensor in matrix equation approach capable to interpret the Bragg wavelength shifts into pressure and temperature information simultaneously.
机译：演示了用单个FBG粘合的天然橡胶膜片可同时测量压力和温度。光栅的一半粘结到橡胶膜片，另一半粘结到铝片。在恒温下变化的压力下，灵敏度记录为0.1007 nm / kPa，系数为6.49 x 10（-5）kPa（-1）。恒压下的温度敏感性分别记录为0.0797 nm /℃和0.0326 nm /℃。以矩阵方程法通过实验获得的传感器的不同灵敏度，能够将布拉格波长位移​​同时解释为压力和温度信息。

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