Generation of bright low-divergence high-order harmonics in a long gas jet

被引：31

作者：

Lee, DG ^{[1
]}

Kim, HT

Hong, KH

Nam, CH

Choi, IW

Bartnik, A

Fiedorowicz, H

机构：

[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea

[2] Korea Adv Inst Sci & Technol, Coherent Xray Res Ctr, Taejon 305701, South Korea

[3] Dongshin Univ, Ctr Opt Micro Device Syst, Naju 520714, Chonnam, South Korea

[4] Mil Univ Technol, Inst Optoelect, PL-00908 Warsaw, Poland

来源：

APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 20期

关键词：

D O I：

10.1063/1.1521241

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Guided propagation of intense 28 fs laser pulses through a long gas jet made it feasible to produce a bright 27th harmonic from argon with a divergence of 0.5 mrad. This harmonic saturated an x-ray charge-coupled device of an extreme ultraviolet spectrometer in a single laser shot of 5 mJ. The low-divergence harmonic generation resulted from a well-guided pumping laser pulse, achieved by balancing diffraction and plasma defocusing with nonlinear self-focusing, and a large harmonic-generation cross section. (C) 2002 American Institute of Physics.

引用

页码：3726 / 3728

页数：3

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