Generation of Isolated Attosecond Pulses with 20 to 28 Femtosecond Lasers

被引：260

作者：

Feng, Ximao ^{[1
]}

Gilbertson, Steve ^{[1
]}

Mashiko, Hiroki ^{[1
]}

Wang, He ^{[1
]}

Khan, Sabih D. ^{[1
]}

Chini, Michael ^{[1
]}

Wu, Yi ^{[1
]}

Zhao, Kun ^{[1
]}

Chang, Zenghu ^{[1
]}

机构：

[1] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 18期

基金：

美国国家科学基金会;

关键词：

REPETITION-RATE; SPECTROSCOPY;

D O I：

10.1103/PhysRevLett.103.183901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Isolated attosecond pulses are powerful tools for exploring electron dynamics in matter. So far, such extreme ultraviolet pulses have only been generated using high power, few-cycle lasers, which are very difficult to construct and operate. We propose and demonstrate a technique called generalized double optical gating for generating isolated attosecond pulses with 20 fs lasers from a hollow-core fiber and 28 fs lasers directly from an amplifier. These pulses, generated from argon gas, are measured to be 260 and 148 as by reconstructing the streaked photoelectron spectrograms. This scheme, with a relaxed requirement on laser pulse duration, makes attophysics more accessible to many laboratories that are capable of producing such multicycle laser pulses.

引用

页数：4

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