Acta Optica Sinica, Volume. 5, Issue 2, 118(1985)
The image differentiation by Crossed-Ronchi-Grating
In this paper we describe a binary differential-filter, which is made by superposition of two Ronchi-Gratings (Crossed-Ronchi-Grating). The Crossed-Ronchi-Grating can be made easily and the experimental results are good.
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YE QUANSHU, GAO WENQI. The image differentiation by Crossed-Ronchi-Grating[J]. Acta Optica Sinica, 1985, 5(2): 118
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