Cross-correlation measurement of femtosecond noncollinear high-order harmonics

被引：87

作者：

Bouhal, A

Evans, R

Grillon, G

Mysyrowicz, A

Breger, P

Agostini, P

Constantinescu, RC

Muller, HG

vonderLinde, D

机构：

[1] CENS,SERV PHOTONS ATOMES & MOL,F-91191 GIF SUR YVETTE,FRANCE

[2] FOM,INST ATOM & MOL PHYS,NWO,NL-1098 SJ AMSTERDAM,NETHERLANDS

[3] UNIV ESSEN GESAMTHSCH,INST LASER & PLASMAPHYS,DEPT PHYS,D-4300 ESSEN,GERMANY

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1997年 / 14卷 / 04期

关键词：

D O I：

10.1364/JOSAB.14.000950

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The durations of extreme-ultraviolet femtosecond pulses (harmonics 21 and 27 of a Ti:sapphire femtosecond laser) have been measured by a cross-correlation technique. Photoelectron energy spectra resulting from ionization of helium atoms by one harmonic photon in the presence of the infrared laser field show sidebands that provide a cross-correlation signal from which the durations of the harmonic pulses can be obtained. The measurements yield a mean value of 130 fs for both harmonics. The accuracy of the method depends on the actual intensity dependence of the sidebands. (C) 1997 Optical Society of America.

引用

页码：950 / 956

页数：7

共 18 条

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CHAUVINEAU JP, 1994, REV PHYS APPL, V23, P1645

[2]

CONSTANTINESCU RC, 1996, NATO ASI SERIES, V313

[3] PLASMA PERSPECTIVE ON STRONG-FIELD MULTIPHOTON IONIZATION [J].