Observation of a train of attosecond pulses from high harmonic generation

被引：2368

作者：

Paul, PM

Toma, ES

Breger, P

Mullot, G

Augé, F

Balcou, P

Muller, HG

Agostini, P

机构：

[1] FOM, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands

[2] Ctr Etud Saclay, CEA, DRECAM, SPAM, F-91191 Gif Sur Yvette, France

[3] ENSTA, Lab Opt Appl, CNRS, UMR 7639, F-91761 Palaiseau, France

来源：

SCIENCE | 2001年 / 292卷 / 5522期

关键词：

D O I：

10.1126/science.1059413

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In principle, the temporal beating of superposed high harmonics obtained by focusing a femtosecond laser pulse in a gas jet can produce a train of very short intensity spikes, depending on the relative phases of the harmonics. We present a method to measure such phases through two-photon, two-color photoionization. We found that the harmonics are Locked in phase and form a train of 250-attosecond pulses in the time domain, Harmonic generation may be a promising source for attosecond time-resolved measurements.

引用

收藏

页码：1689 / 1692

页数：4

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