Highly efficient second-harmonic generation of intense femtosecond pulses with a significant effect of cubic nonlinearity

被引：18
|
作者：
Mironov, S. Yu. [1 ]
Ginzburg, V. N. [1 ]
Lozhkarev, V. V. [1 ]
Luchinin, G. A. [1 ]
Kirsanov, A. V. [1 ]
Yakovlev, I. V. [1 ]
Khazanov, E. A. [1 ]
Shaykin, A. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia
来源：
QUANTUM ELECTRONICS | 2011年 / 41卷 / 11期
关键词：
intense femtosecond pulses; second-harmonic generation; cubic nonlinearity; PETAWATT LASER SYSTEM; CRYSTALS; POWER;
D O I：
10.1070/QE2011v041n11ABEH014694
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A highly efficient (73%) second-harmonic generation of femtosecond pulses in a 1-mm-thick KDP crystal at a fundamental-harmonic peak intensity of 2 TW cm(-2) has been demonstrated experimentally. In a 0.5-mm-thick KDP crystal, a 50% efficiency has been reached at a peak intensity of 3.5 TW cm(-2). We examine the key factors that limit the conversion efficiency and present numerical simulation results on further temporal compression of second-harmonic pulses.
引用
收藏
页码：963 / 967
页数：5
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