The second image is obtained by rotating the cross-grating interferometer an angle about its axis of symmetry.
将光栅干涉仪绕其对称轴转过一角度，得到第二个像。
The interference pattern of a cross-grating interferometer is analyzed by the so-calledeffective source approach.
本文用有效光源法分析了正交光栅干涉仪的干涉图。
The main devices of the method include a grating interferometer, which controls the ruling engine motion, and a phase scanning mechanism.
该方法的主要装置包括一个用于控制刻划机运动的光栅干涉仪和一个相位扫描机构。
Because the measurement standard of grating system is grating pitch, compared to usual interferometer, diffractive grating, system reduces environment influence on measurement accuracy.
由于光栅干涉测量系统以光栅栅距作为测量基准，相对于传统干涉仪，光栅尺系统受环境因素造成的测量误差影响较小。
This method is realized by using laser grating shearing interferometer and Talbot effect.
这种方法是利用激光光栅剪切干涉仪和塔宝效应实现的。
The optical parameters of grating and intensity ratio among three beams in interferometer are derived from the view of optimization design.
从优化设计的角度求出了光栅的最佳参数以及干涉仪三束光的最佳光强之比；
It is noteworthy that the wavelength of the fiber Bragg grating would be tuned via only a phase mask in a phase mask interferometer.
值得注意的是在相位干涉法中，只用一块相位模板，就可以调整写入光纤布拉格光栅的波长。
This paper quantitatively compares the spectrum characteristics between Fabry-Perot interferometer with gain medium and diffraction grating spectrometer.
对加入增益介质的F - P干涉仪的光谱特性与衍射光栅光谱仪的光谱特性作了定量对比。
A grating-differential interferometer for measuring magnetic-disc surface is discussed in this paper.
本文提出了一种用光栅分光干涉法测量磁盘平面度的非接触式测量方法。
The system mainly consists of wide-band light source, fiber Bragg grating, unbalanced Mach-Zehnder interferometer, and data acquisition and processing components.
系统主要由宽带光源、光纤光栅、非平衡马赫-曾德干涉仪、数据采集与处理等部分组成。
Laser interferometer and grating of modulation light are used in the measuring system and the measuring data is processed by microcomputer.
该装置的测量系统采用了激光干涉仪和光调制光栅，并由微型机进行数据处理。
When wave length scanning is carried out, three output white light interference spectrums of the interferometer and a transmission spectrum of the etalon and the fiber grating are probed.
扫描波长时，探测干涉仪的三路输出白光干涉光谱，以及标准具和光纤光栅的透射谱。
For the designed dynamic Angle measurement system with grating wedge-plate interferometer, a new method of determination of the zero-point of dynamic measurement is proposed.
针对长导轨直线度传统测量方法中存在的问题，研制了一种基于激光楔形平板剪切干涉测量的便携式激光干涉准直系统。
For the designed dynamic Angle measurement system with grating wedge-plate interferometer, a new method of determination of the zero-point of dynamic measurement is proposed.
针对长导轨直线度传统测量方法中存在的问题，研制了一种基于激光楔形平板剪切干涉测量的便携式激光干涉准直系统。
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