Spontaneous hexagon formation in photorefractive crystal with a single pump wave

被引：3
|
作者：
Lushnikov, PM
Mamaev, AV
机构：
[1] LD Landau Theoret Phys Inst, Moscow 117334, Russia
[2] Russian Acad Sci, Inst Problems Mech, Moscow 117526, Russia
来源：
OPTICS LETTERS | 1999年 / 24卷 / 21期
关键词：
D O I：
10.1364/OL.24.001511
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new scheme for spontaneous formation of hexagonal optical patterns in photorefractive crystals with dominant reflection gratings and a single pump wave is proposed and realized experimentally. It is shown theoretically that spontaneous hexagon formation results from random small-angle scattering of the pump wave inside the crystal. The threshold of spontaneous hexagon formation is found. (C) 1999 Optical Society of America OCIS codes: 190.0190, 190.4420, 190.5330.
引用
收藏
页码：1511 / 1513
页数：3
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