Pattern differentiation can be performed in a coherent Optical processing system if a composite sinusoidal grating is used as a filter.
利用余弦型的复合光栅作为滤波器，在相干光处理系统中可对图像进行微商。
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During pattern formation like a holographic grating, the local temperature increase, especially in thin films, is up to date a subject of estimation from absorption and dissipation data.
In the measurement, the moire pattern is generated by the scanning line of scanning tunneling microscope and the atomic lattice of substance as a specimen grating.