Parametric superfluorescence excited in sodium vapour by Bessel beams

被引：4
|
作者：
Piskarskas, A [1 ]
Stabinis, A [1 ]
Vaicaitis, V [1 ]
Jarutis, V [1 ]
机构：
[1] Vilnius State Univ, Laser Res Ctr, LT-2040 Vilnius, Lithuania
来源：
OPTICS COMMUNICATIONS | 1998年 / 158卷 / 1-6期
关键词：
Bessel beams; multiphoton; sodium vapour; parametric;
D O I：
10.1016/S0030-4018(98)00576-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The investigation results of the parametric superfluorescence excited in sodium vapour by two Bessel beams of different frequencies are presented. A significant improvement of the spatial coherence of parametric superfluorescence was experimentally observed. It is demonstrated that for a fixed range of pump cone angles excitation of low divergence radiation along the pump cone axis is possible. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：298 / 304
页数：7
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