Based on characteristics of optical polarizing, Malus law, and Faraday optical rotation, a long-range displacement detector is realized by same light source and double light route.
基于光的偏振特性、马吕斯定理和法拉第旋光效应，采用同光源双光路检测，实现了大量程直线位移的测量。
2
A way to the the sensitivity of reflected light power collected by reflective type fiber-optic displacement sensor is given.
给出了反射式光纤位移传感器反射接收光强灵敏度的计算方法。
3
The causes of lateral displacement of piled wharfs are analyzed in the light of engineering examples and precautionary measures and recommendations are proposed.