Enhanced high-order harmonic generation driven by a wavefront corrected high-energy laser

被引：8

作者：

Wang, Yang ^{[1
,2
]}

Guo, Tianyi ^{[1
,2
]}

Li, Jialin ^{[1
,2
]}

Zhao, Jian ^{[1
,2
]}

Yin, Yanchun ^{[1
,2
]}

Ren, Xiaoming ^{[1
,2
]}

Li, Jie ^{[1
,2
]}

Wu, Yi ^{[1
,2
]}

Weidman, Matthew ^{[1
,2
,3
]}

Chang, Zenghu ^{[1
,2
]}

Jager, Marieke F. ^{[4
]}

Kaplan, Christopher J. ^{[4
]}

Geneaux, Romain ^{[4
]}

Ott, Christian ^{[4
]}

Neumark, Daniel M. ^{[4
]}

Leone, Stephen R. ^{[4
,5
]}

机构：

[1] Univ Cent Florida, CREOL, Inst Frontier Attosecond Sci & Technol, Orlando, FL 32816 USA

[2] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

[3] Max Planck Inst Quantum Opt, POB 13 27, D-85741 Garching, Germany

[4] Univ Calif Berkeley, Dept Chem & Phys, Berkeley, CA 94720 USA

[5] Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2018年 / 51卷 / 13期

基金：

美国国家科学基金会;

关键词：

high-order harmonics; XUV; wavefront; high flux attosecond; EXTREME-ULTRAVIOLET; PULSES;

D O I：

10.1088/1361-6455/aac59e

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We developed and implemented an experimental setup for the generation of high-energy high-order harmonics in argon gas for nonlinear experiments in the extreme ultraviolet (XUV) spectral range. High-order harmonics were generated by loosely focusing a high-energy laser pulse centered around 800 nm into a gas cell filled with argon in a phase-matching condition. The wavefront distortions of the driving pulse were corrected by a deformable mirror, and the XUV conversion efficiency was significantly improved due to the excellent beam profile at focus. A high-damage-threshold beam splitter was used to eliminate high-energy driving pulses co-propagating with high-order harmonics. The setup has a potential to provide intense ultrashort XUV pulses reaching the intensity levels required for nonlinear experiments in the XUV spectral range.

引用

页数：6

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