Spatial differentiation of optical beams using phase-shifted Bragg grating

被引：106
|
作者：
Doskolovich, Leonid L. [1 ,2 ]
Bykov, Dmitry A. [1 ,2 ]
Bezus, Evgeni A. [1 ,2 ]
Soifer, Victor A. [1 ,2 ]
机构：
[1] RAS, Image Proc Syst Inst, Samara 443001, Russia
[2] SP Korolyov Samara State Aerosp Univ, Samara 443086, Russia
来源：
OPTICS LETTERS | 2014年 / 39卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
TEMPORAL DIFFERENTIATION; FIBER GRATINGS; SIGNALS; TRANSMISSION; DESIGN;
D O I：
10.1364/OL.39.001278
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a theoretical study of a new application of the phase-shifted Bragg grating (PSBG) as an optical spatial differentiator operating in reflection. We demonstrate that the PSBG allows to calculate the first-order spatial derivative at oblique incidence and the second-order derivative at normal incidence. As an example, the differentiator is numerically shown to be able to convert an input 2D Gaussian beam into a 2D Hermite-Gaussian mode. We expect the proposed application to be useful for all-optical data processing. (C) 2014 Optical Society of America
引用
收藏
页码：1278 / 1281
页数：4
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