Generation of 10 μW relativistic surface high-harmonic radiation at a repetition rate of 10 Hz

被引：21

作者：

Bierbach, J. ^{[1
]}

Roedel, C. ^{[1
,2
]}

Yeung, M. ^{[3
]}

Dromey, B. ^{[3
]}

Hahn, T. ^{[4
]}

Pour, A. Galestian ^{[1
]}

Fuchs, S. ^{[1
]}

Paz, A. E. ^{[1
,2
]}

Herzer, S. ^{[1
]}

Kuschel, S. ^{[1
]}

Jaeckel, O. ^{[1
,2
]}

Kaluza, M. C. ^{[1
,2
]}

Pretzler, G. ^{[4
]}

Zepf, M. ^{[3
]}

Paulus, G. G. ^{[1
,2
]}

机构：

[1] Univ Jena, Inst Opt & Quantenelekt, D-07743 Jena, Germany

[2] Helmholtz Inst Jena, D-07743 Jena, Germany

[3] Queens Univ Belfast, Sch Math & Phys, Ctr Plasma Phys, Belfast BT7 1NN, Antrim, North Ireland

[4] Univ Dusseldorf, Inst Laser & Plasmaphys, D-40225 Dusseldorf, Germany

来源：

NEW JOURNAL OF PHYSICS | 2012年 / 14卷

基金：

英国工程与自然科学研究理事会;

关键词：

PLASMA MIRRORS; SPECTROSCOPY; INTENSITY; PULSES; LIGHT;

D O I：

10.1088/1367-2630/14/6/065005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Experimental results on relativistic surface HHG at a repetition rate of 10 Hz are presented. Average powers in the 10 mu W range are generated in the spectral range of 51 to 26 nm (24-48 eV). The surface harmonic radiation is produced by focusing the second-harmonic of a high-power laser onto a rotating glass surface to moderately relativistic intensities of 3 x 10(19) W cm(-2). The harmonic emission exhibits a divergence of 26 mrad. Together with absolute photon numbers recorded by a calibrated spectrometer, this allows for the determination of the extreme ultraviolet (XUV) yield. The pulse energies of individual harmonics are reaching up to the mu J level, equivalent to an efficiency of 10(-5). The capability of producing stable and intense high-harmonic radiation from relativistic surface plasmas may facilitate experiments on nonlinear ionization or the seeding of free-electron lasers.

引用

页数：9

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