Second harmonic generation of higher-order Bessel beams

被引：33
作者：
Jarutis, V [1 ]
Matijosius, A [1 ]
Smilgevicius, V [1 ]
Stabinis, A [1 ]
机构：
[1] Vilnius State Univ, Dept Quantum Elect, LT-2040 Vilnius, Lithuania
来源：
OPTICS COMMUNICATIONS | 2000年 / 185卷 / 1-3期
关键词：
Bessel beam; optical vortex; second harmonic generation;
D O I：
10.1016/S0030-4018(00)00974-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Second harmonic generation of higher-order Bessel beams (Bessel vortices) formed by axicon was investigated in KTP crystal. A splitting of frequency-doubled Bessel vortex of topological charge 2n, n = 1, 2, 3, into 2n single-charged vortices was observed. The phenomenon is caused by copropagating zeroth-order Bessel beam acting as coherent background. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：159 / 169
页数：11
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