Single attosecond pulse generation using two-color polarized time-gating technique

被引：19

作者：

Huo, YP ^{[1
]}

Zeng, ZN ^{[1
]}

Li, RX ^{[1
]}

Xu, ZZ ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China

来源：

OPTICS EXPRESS | 2005年 / 13卷 / 24期

关键词：

D O I：

10.1364/OPEX.13.009897

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

It is proposed that single attosecond pulses be generated via high-order harmonic generation by using a two-color pump pulse with time dependent ellipticity. The two-color pump pulse is created by the fundamental field and its second harmonic: the fundamental field is left-circularly polarized and the second harmonic is right-circularly polarized. Numerical simulations show that single attosecond pulses can be produced in the cut-off region by using the synthesis of 20 fs left-hand and right-hand circularly polarized pulses with a pulse delay of 20 fs. The attosecond pulses produced this way are much stronger than that produced by a few-cycle linear polarized pulse of comparable intensity. (c) 2005 Optical Society of America

引用

页码：9897 / 9902

页数：6

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