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。
Spectral resolution of optical fiber Fourier transform spectrometer depends on maximum optical path difference (OPD).
传统激光干涉测角方法，大多采用迈克尔逊干涉仪光路或其变形，将角度测量转变为光程测量。
Most of traditional methods of angular measurement based on a Michelson Interferometer or its modifications have the same principle: the rotation is transformed into an optical path difference (OPD).
转镜式傅里叶光谱仪中，转镜的转动形成光程差的非线性。
High-speed rotary Fourier transform spectrometer has nonlinearity of optical path differences (OPD) because of refractor's rotating.
应用推荐