plane-parallel plate 平面平行板
The influence of the small wedge Angle of the plane parallel plate and the lateral shearing width upon judging laser collimation are discussed.
分析了准直原理，讨论了平行平面板楔角和横向位错宽度对准直判断的影响。
The principle of collimation is analyzed. The influence of the small wedge Angle of the plane parallel plate and the lateral shearing width upon judging laser collimation are discussed.
分析了准直原理，讨论了平行平面板楔角和横向位错宽度对准直判断的影响。
The choice of proper initial Angle of incidence makes a lateral shearing interference easy to realize between the two beams reflected from the front and back surfaces of a plane-parallel plate.
通过选择合适的初始入射角，使从平板前后表面反射的两光束实现剪切干涉。
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