OPTICAL PARAMETRIC AMPLIFICATION BY INCOHERENT CONICAL PUMP BEAM

被引：0
|
作者：
Tamuliene, V. [1 ]
Smilgevicius, V. [1 ]
Kudarauskas, D. [1 ]
Butkus, R. [1 ]
Stabinis, A. [1 ]
Piskarskas, A. [1 ]
机构：
[1] Vilnius Univ, Dept Quantum Elect, Sauletekio 10, LT-10223 Vilnius, Lithuania
来源：
LITHUANIAN JOURNAL OF PHYSICS | 2017年 / 57卷 / 01期
关键词：
optical parametric amplification; conical beams; incoherence; LIGHT;
D O I：
10.3952/physics.v57i1.3452
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Optical parametric amplification of an input narrowband signal beam in the field of a spatially incoherent conical pump is investigated. Two amplification regimes - onset and exponential - are distinguished. The possibility to amplify the signal beam significantly and obtain a smooth intensity profile at the output is revealed. It is shown that the incoherent conical beam may act on the signal beam as a plane wave. Good agreement of theoretical and experimental data is obtained.
引用
收藏
页码：19 / 28
页数：10
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