Phase-matched enhancements of high-harmonic soft X-rays by adaptive wave-front control with a genetic algorithm

被引：23
|
作者：
Yoshitomi, D
Nees, J
Miyamoto, N
Sekikawa, T
Kanai, T
Mourou, G
Watanabe, S
机构：
[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
[2] Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2004年 / 78卷 / 3-4期
关键词：
D O I：
10.1007/s00340-003-1400-7
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the enhancement of high-harmonic soft-X-ray generation by adaptive wave-front control of a 745-nm Ti:sapphire laser by use of a 59-channel membrane deformable mirror, combined with a genetic algorithm, for the first time to our knowledge. The harmonics ranging from 17 nm to 28 nm were enhanced by factors up to 13. The numerical calculations illustrate that the enhancements of the plateau harmonics are due to macroscopic phase-matching effect, whereas those of the cutoff harmonics are due to the increase in focal intensity.
引用
收藏
页码：275 / 280
页数：6
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