Optimizing high harmonic generation in absorbing gases:: Model and experiment

被引：542

作者：

Constant, E

Garzella, D

Breger, P

Mével, E

Dorrer, C

Le Blanc, C

Salin, F

Agostini, P

机构：

[1] Univ Bordeaux 1, CPMOH, ELIA, F-33405 Talence, France

[2] CEA Saclay, DRECAM, DSM, Serv Photons, F-91191 Gif Sur Yvette, France

[3] Ecole Polytech, ENSTA, Lab Opt Appl, F-91761 Palaiseau, France

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.82.1668

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study high-order harmonic generation in the general case of absorbing and dispersive atomic gas media. For ultrashort laser pulses, the harmonic conversion efficiency tends to a limit mainly imposed by the harmonic reabsorption in the gas. This limit, independent on the gas density, is the same for both the case of a loosely focused beam or a beam guided in a gas-filled hollow-core fiber. Under optimum conditions, we measured the highest conversion efficiency to date (4 X 10(-5)) for the 15th harmonic generated in xenon using a 40 fs, 1.5 mJ, 800 nm pulse at a 1 kHz repetition rate.

引用

页码：1668 / 1671

页数：4

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