安装误差对反射式光纤位移传感器特性的影响  

Influence of Fixing Error on the Intensity Modulation of a Reflective Fiber Optic Displacement Sensor

作　　者：齐峰[1] 雷沅忠[1] 王秋良[1] 余运佳[1] 

机构地区：[1]中国科学院电工研究所,北京100080

出　　处：《光纤与电缆及其应用技术》2006年第4期39-41,共3页Optical Fiber & Electric Cable and Their Applications

摘　　要：研究了反射式强度调制型光纤位移传感器中安装误差对光强调制特性的影响。计算机仿真结果表明,当待测距离一定时,光强调制系数随着安装误差的增大而减小。为反射式强度型光纤位移传感器应用于球形反射面时的输出校正提供了一定的理论依据。For a reflective fiber optic displacement sensor, the influence of fixing error on the intensity modulation characteristics is studied theoretically with a mathematic model. The computer simulation is performed, and the results show that when the distance on measure is certain, the coefficient of the intensity modulation will decrease with the fixing error increasing. A theoretical criterion is provided for adjusting the output signal when the sensor is used on a spherical reflector.

关 键 词：传感器 光纤传感器 强度调制 反射面 误差 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]