Frequency multiplication of light back-reflected from a relativistic wake wave

被引：96

作者：

Pirozhkov, A. S. ^{[1
,2
]}

Ma, J. ^{[1
]}

Kando, M. ^{[1
]}

Esirkepov, T. Zh. ^{[1
,3
]}

Fukuda, Y. ^{[1
]}

Chen, L. -M. ^{[1
]}

Daito, I. ^{[1
]}

Ogura, K. ^{[1
]}

Homma, T. ^{[1
]}

Hayashi, Y. ^{[1
]}

Kotaki, H. ^{[1
]}

Sagisaka, A. ^{[1
]}

Mori, M. ^{[1
]}

Koga, J. K. ^{[1
]}

Kawachi, T. ^{[1
]}

Daido, H. ^{[1
]}

Bulanov, S. V. ^{[1
,3
,4
]}

Kimura, T. ^{[1
]}

Kato, Y. ^{[1
]}

Tajima, T. ^{[1
]}

机构：

[1] Japan Atom Energy Agcy, Adv Photon Res Ctr, Kizu, Kyoto 6190215, Japan

[2] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia

[3] Moscow Phys Tech Inst, Dolgoprudnyi 141700, Moscow Region, Russia

[4] Russian Acad Sci, AM Prokhorov Inst Gen Phys, Moscow 119991, Russia

来源：

PHYSICS OF PLASMAS | 2007年 / 14卷 / 12期

关键词：

D O I：

10.1063/1.2816443

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A method of coherent high-frequency electromagnetic radiation generation, proposed by Bulanov, Esirkepov, and Tajima [Phys. Rev. Lett. 91, 085001 (2003)], is experimentally demonstrated. This method is based on the radiation frequency multiplication during reflection at a mirror flying with relativistic velocity. The relativistic mirror is formed by the electron density modulations in a strongly nonlinear wake wave, excited in an underdense plasma in the wake behind an ultrashort laser pulse. In our experiments, the reflection of a countercrossing laser pulse from the wake wave is observed. The detected frequency multiplication factor is in the range from 55 to 114, corresponding to a reflected radiation wavelength from 7 to 15 nm. This may open a way towards tunable high-intensity sources of ultrashort coherent electromagnetic pulses in the extreme ultraviolet and x-ray spectral regions. Parameters of the reflecting wake wave can be determined using the reflected radiation as a probe. (c) 2007 American Institute of Physics.

引用

页数：22

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