Generation of submicrojoule high harmonics using a long gas jet in a two-color laser field

被引：95
|
作者：
Kim, I. Jong [1 ,2 ]
Lee, Gae Hwang [1 ,2 ]
Park, Seung Beom [1 ,2 ]
Lee, Yong Soo [1 ,2 ]
Kim, Tae Keun
Nam, Chang Hee
Mocek, Tomas [3 ]
Jakubczak, Krzysztof [3 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 500701, South Korea
[2] Korea Adv Inst Sci & Technol, Coherent Xray Res Ctr, Taejon 500701, South Korea
[3] PALS Ctr Na Slovance 2, Dept Xray Lasers, Inst Phys, Prague 18221 8, Czech Republic
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
D O I：
10.1063/1.2836252
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have achieved very efficient high-harmonic generation in a two-color laser field using a long gas jet of He. With the optimization of laser parameters and target conditions, strong harmonics were produced at 2(2n+1)th orders in an orthogonally polarized two-color field. The strongest harmonic at the 38th order (21.6 nm) reached an energy of 0.6 mu J with a 6 mm gas jet, giving a conversion efficiency as high as 2x10(-4).
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页数：3
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