Sine digital grating (computer generated grating) is acted as reference grating.
参考栅采用计算机绘制的正弦型数字栅。
Grating is placed in image space of objective lens, and used as the shearing part. Light wave from reference object and measured object interfered at the image space.
它在成像物镜的像方空间放置光栅，利用光栅的衍射原理，使来自参考物和被测物的光波在像面发生干涉。
It's unnecessary to collect deformed grating images of object reference plane, which reduces operation steps and takes no solution for the phase of object reference plane.
由于不需另外采集实物参考面变形光栅图像，不仅减少了实物参考面的采集步骤，而且不需要对实物参考面相位进行求解。
For unnecessary to collect deformed grating images of object reference plane, it reduces operation steps and takes no solution for the phase of object reference plane.
由于不需另外采集实物参考面变形光栅图像，不仅减少了实物参考面的采集步骤，而且不需要对实物参考面相位进行求解。
The results show that diffraction efficiency of a lossless grating increases with the higher ratio of reference beam width to object beam width.
对于无吸收的光栅，参考光束相对物光束越宽，衍射效率将越高。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。
It provides theoretical reference to design the interleaved sampled fiber grating in detail.
为设计顶部平坦的间插取样光栅提供了理论依据。
It provides theoretical reference to design the interleaved sampled fiber grating in detail.
为设计顶部平坦的间插取样光栅提供了理论依据。
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