First milestone on the path toward a table-top free-electron laser (FEL)

被引：0

作者：

Fuchs, M. ^{[1
,2
]}

Weingartner, R. ^{[1
,2
]}

Popp, A. ^{[1
]}

Major, Zs. ^{[1
]}

Becker, S. ^{[1
,2
]}

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

Seggebrock, T. ^{[2
]}

Hoerlein, R. ^{[1
,2
]}

Tsakiris, G. D. ^{[1
]}

Schramm, U. ^{[3
]}

Rowlands-Rees, T. P. ^{[4
]}

Hooker, S. M. ^{[4
]}

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

Krausz, F. ^{[1
,2
]}

Karsch, S. ^{[1
,2
]}

Gruener, F. ^{[1
,2
]}

机构：

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

[2] Ludwig Maximilian Univ Munich, Dept Phys, D-85748 Garching, Germany

[3] Forschungszentrum Dresden Rossendor, D-01328 Dresden, Germany

[4] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England

来源：

LIGHT AT EXTREME INTENSITIES: OPPORTUNITIES AND TECHNOLOGICAL ISSUES OF THE EXTREME LIGHT INFRASTRUCTURE | 2010年 / 1228卷

基金：

英国工程与自然科学研究理事会;

关键词：

Laser-plasma acceleration; Undulator radiation; Table-top FEL; BEAMS; ACCELERATION;

D O I：

10.1063/1.3426066

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：

Latest developments in the field of laser-wakefield accelerators (LWFAs) have led to relatively stable electron beams in terms of peak energy, charge, pointing and divergence from mm-sized accelerators. Simulations and LWFA theory indicate that these beams have low transverse emittances and ultrashort bunch durations on the order of similar to 10 fs. These features make LWFAs perfectly suitable for driving high-brightness X-ray undulator sources and free-electron lasers (FELs) on a university-laboratory scale. With the detection of soft-X-ray radiation from an undulator source driven by laser-wakefield accelerated electrons, we succeeded in achieving a first milestone on this path. The source delivers remarkably stable photon beams which is mainly due to the stable electron beam and our miniature magnetic quadrupole lenses, which significantly reduce its divergence and angular shot-to-shot variation. An increase in electron energy allows for compact, tunable, hard-X-ray undulator sources. Improvements of the electron beams in terms of charge and energy spread will put table-top FELs within reach.

引用

页码：295 / +

页数：3

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