FLOWERLIKE PATTERNS GENERATED BY A LASER-BEAM TRANSMITTED THROUGH A RUBIDIUM CELL WITH SINGLE FEEDBACK MIRROR

被引：106
|
作者：
GRYNBERG, G
MAITRE, A
PETROSSIAN, A
机构：
[1] Laboratoire de Spectroscopie Hertzienne, Ecole Normale Supérieure, Université Pierre et Marie Curie, 75252 Paris Cedex 05
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.72.2379
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A spatial instability is observed when a laser beam at 795 nm is transmitted through a rubidium cell with single plane feedback mirror. The emitted beams have patterns looking like flowers. The dependence of the number of petals in the pattern with the distance between the cell and the mirror is studied and interpreted using an expansion of the instability in Laguerre-Gauss modes. This experiment shows the influence of the saturation of the nonlinearity in the pattern selection.
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页码：2379 / 2382
页数：4
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