Selection of optical patterns using direct modulation method of spatial frequency in a nonlinear optical feedback system

被引：11
|
作者：
Hayasaki, Y [1 ]
Yamamoto, H [1 ]
Nishida, N [1 ]
机构：
[1] Univ Tokushima, Fac Engn, Dept Opt Sci & Technol, Tokushima 7708506, Japan
来源：
OPTICS COMMUNICATIONS | 2001年 / 187卷 / 1-3期
关键词：
spontaneous pattern formation; nonlinear optical feedback system; spatial light modulator; spatiotemporal dynamics; pattern selection and competition;
D O I：
10.1016/S0030-4018(00)01089-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical patterns generated in a nonlinear optical feedback system composed of an optically addressable spatial light modular and two-dimensional optical feedback contain many stable components of a spatial frequency. The spatial frequency components are supported by the Talbot effect model. We demonstrate that each component in the optical patterns is individually selected by a direct modulation method for a spatial frequency. From our findings, we discuss that the main spatial frequency of the generated optical pattern is decided by competition between the stable solutions, based on the modulation transfer functions of the spatial light modulator and the optical feedback with a spatial frequency filter. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：49 / 55
页数：7
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