optical path difference [光] 光程差 ; 实际波面之间的光程差
interference path difference 干程程差 ; 干涉程差 ; 千涉级
PD ptical path difference 光学路径差
path-difference 路径差
The resolution of the laser interferometer is improved by using optical path difference doubling technique.
采用光程差放大技术,提高了干涉系统的分辨力。
Spectral resolution of optical fiber Fourier transform spectrometer depends on maximum optical path difference (OPD).
光纤傅里叶变换光谱仪的光谱分辨率是由最大光程差决定的。
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。
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