Modulational instability and pattern formation in the field of noncollinear pump beams

被引：17
|
作者：
Mamaev, AV [1 ]
Saffman, M [1 ]
机构：
[1] RUSSIAN ACAD SCI,INST PROBLEMS MECH,MOSCOW 117526,RUSSIA
来源：
OPTICS LETTERS | 1997年 / 22卷 / 05期
关键词：
D O I：
10.1364/OL.22.000283
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study pattern formation that is due to modulational instability of noncollinear counterpropagating beams. Angular misalignment of the pumps over a broad range leads to the generation of lines oriented perpendicular to the plane of the pump beams. A theoretical expression for the angular separation of the lines is in close agreement with observations. Outside this range, for both small and large misalignments, we observe squeezed hexagonal patterns. (C) 1997 Optical Society of America.
引用
收藏
页码：283 / 285
页数：3
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