FOURIER-PLANE FILTERING BY A THICK GRATING - A SPACE BANDWIDTH ANALYSIS

被引：15

作者：

ATHALE, RA

RAJ, K

机构：

[1] Department of Electrical and Computer Engineering, George Mason University, Fairfax, VA

来源：

OPTICS LETTERS | 1992年 / 17卷 / 12期

关键词：

D O I：

10.1364/OL.17.000880

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The space-bandwidth requirements of thick gratings in the Fourier plane of a coherent optical image processor are analyzed. Based on Kogelnik's relationship for the diffraction efficiency, relations for the space-bandwidth products of the input image and the point-spread function are obtained in terms of grating parameters. It is concluded that thick gratings, such as photorefractive crystals, are not well suited for implementing shift-invariant operations through Fourier-plane filtering.

引用

页码：880 / 882

页数：3

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