Enhanced harmonic emission from ionized clusters in intense laser pulses

被引：56
|
作者：
Hu, SX [1 ]
Xu, ZZ [1 ]
机构：
[1] CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
来源：
APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 18期
关键词：
D O I：
10.1063/1.119342
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present a two-dimensional model to simulate the enhanced harmonic emission from ionized argon clusters irradiated by an ultrashort (similar to 25 fs) laser pulse at moderate intensity (similar to 10(14) W/cm(2)). The low-order harmonics (below the 15th) are enhanced by nearly two orders of magnitude relative to those of monomer argon. Furthermore, the harmonic plateau is extended to a higher frequency. The clustering environment is responsible for the enhancement of harmonic emission. (C) 1997 American Institute of Physics.
引用
收藏
页码：2605 / 2607
页数：3
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