光程差 meaning in English
optical path difference (opd); retardation
Examples
- With the compensator in place any optical path difference arises from the actual path difference .
有了补偿板之后，任何光程差都只由实际程差引起。 - When the two light beams recombine , they interfere and form a pattern that depends on the difference between the distances they traveled
当两束光重遇后将发生干涉，并形成一个依赖于两条光路光程差的图样。 - The stability of micro - birefringence optical path difference measuring system based on electro - optic modulation method is studied
提出用旋转半波片反射法测量半封闭玻璃制品应力，探讨以电光调制法为基础的微双折射光程差测量系统的稳定性。 - To compensate for low - frequency drift of the optical path - length difference and to keep the operation point on the most sensitive point , the reference mirror is adjusted with a actuator driven by a feedback loop
为了补偿光程差的低频漂移，将工作点稳定在灵敏度最高点，使用一个反馈控制系统驱动微位移器调整参考平面镜。 - The beam - splitter comprises three pairs of fully reflecting planar mirrors and partially reflecting planar mirrors . according to the workspace size and experimental requirement , they were placed with a distance of 195 - cm between two mirrors
空间分光延时系统由三对全反镜和部分反射镜构成，根据实验平台大小和实际需要调整镜片之间的距离，使相邻光束之间的光程差为390cm 。