ON THE DIFFRACTION OF AN OPTICAL BEAM BY A PHASE SHIFTED BRAGG GRATING

被引：3
|
作者：
Bykov, D. A. [1 ]
Doskolovich, L. L. [2 ,3 ,4 ]
机构：
[1] IPSI RAS, Diffract Opt Lab, Moscow, Russia
[2] RAS, Image Proc Syst Inst, Moscow, Russia
[3] SSAUs Tech Cybernet Subdept, Samara, Russia
[4] SSAU, Breakthrough Technol Earths Remote Sensing Lab, Samara, Russia
来源：
COMPUTER OPTICS | 2014年 / 38卷 / 04期
关键词：
optical beam; phase shifted Bragg grating; optical resonance; Laplace operator;
D O I：
10.18287/0134-2452-2014-38-4-590-597
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Diffraction of a 3D optical beam from a resonant multilayer structure (phase-shifted Bragg grating) is considered. It is shown that the said structure enables optical computation of the spatial Laplace operator of the electromagnetic field components of the incident beam. The computation of the Laplacian is performed in reflection at normal incidence. Presented numerical results demonstrate high quality of the Laplace operator computation. The beam transformation performed in transmission is also investigated.
引用
收藏
页码：590 / 597
页数：8
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