optical path difference [光] 光程差 ; 实际波面之间的光程差
zero optical path difference 零光程差位置
the optical path difference 干涉中光程差
half optical path difference 半光程差
extra optical path difference 额外程差
Fixed optical path difference 基准光程差
maximum optical path difference 最大光程差
optical path difference doubling 光程差放大
After introducing the spectrometer which is based on the Fresnel-double-mirrors, it’s optical-path difference for the on-focus and off-focus points for several different kinds of apertures, and calculate the light intensity and the visibility of the spectrometer were calculated.
在介绍基于菲涅耳双面镜傅里叶变换光谱仪的基本原理后,计算其系统在不同几何形状光源的情况下的轴上点、轴外点的光程差,进而推导出其光强、可见度的分布。
参考来源 - 基于菲涅耳双面镜傅里叶变换光谱仪的可见度分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The effect of the incident angle on the optical path difference, state of polarization and interference fringes of the system is deduced in detail.
具体分析推导了光线入射角变化对这种新型的可调横向剪切量萨伐尔偏光镜的光程差、偏振度以及对系统干涉条纹的影响；
The main polarization mode and coupling mode in PM fiber has some optical path difference because of internal birefringence.
保偏光纤内部的高双折射，使得其内部传播的偏振主模和耦合模之间存在着一定大小的光程差。
The optical path difference of two rays in the condition of near axis is discussed in the single spherical surface refraction.
本文讨论了单球形折射面在傍轴条件下二相邻光束的光程差问题。
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