Relativistic electron mirrors from nanoscale foils for coherent frequency upshift to the extreme ultraviolet

被引：73

作者：

Kiefer, D. ^{[1
,2
]}

Yeung, M. ^{[3
]}

Dzelzainis, T. ^{[3
]}

Foster, P. S. ^{[4
]}

Rykovanov, S. G. ^{[2
]}

Lewis, C. L. S. ^{[3
]}

Marjoribanks, R. S. ^{[5
,6
]}

Ruhl, H. ^{[2
]}

Habs, D. ^{[1
,2
]}

Schreiber, J. ^{[1
,2
]}

Zepf, M. ^{[3
,7
]}

Dromey, B. ^{[3
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[2] Univ Munich, Fak Phys, D-85748 Garching, Germany

[3] Queens Univ Belfast, Dept Phys & Astron, Belfast BT7 1NN, Antrim, North Ireland

[4] Rutherford Appleton Lab, CCLRC, Cent Laser Facil, Didcot OX11 0QX, Oxon, England

[5] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada

[6] Univ Toronto, Inst Opt Sci, Toronto, ON M5S 1A7, Canada

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

来源：

NATURE COMMUNICATIONS | 2013年 / 4卷

基金：

英国工程与自然科学研究理事会;

关键词：

GENERATION; EMISSION; PULSES;

D O I：

10.1038/ncomms2775

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Reflecting light from a mirror moving close to the speed of light has been envisioned as a route towards producing bright X-ray pulses since Einstein's seminal work on special relativity. For an ideal relativistic mirror, the peak power of the reflected radiation can substantially exceed that of the incident radiation due to the increase in photon energy and accompanying temporal compression. Here we demonstrate for the first time that dense relativistic electron mirrors can be created from the interaction of a high-intensity laser pulse with a freestanding, nanometre-scale thin foil. The mirror structures are shown to shift the frequency of a counter-propagating laser pulse coherently from the infrared to the extreme ultraviolet with an efficiency > 10(4) times higher than in the case of incoherent scattering. Our results elucidate the reflection process of laser-generated electron mirrors and give clear guidance for future developments of a relativistic mirror structure.

引用

页数：5

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