Optical Shaping of X-Ray Free-Electron Lasers

被引：40

作者：

Marinelli, A. ^{[1
]}

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

Vetter, S. ^{[1
]}

Hering, P. ^{[1
]}

West, G. N. ^{[3
]}

Gilevich, S. ^{[1
]}

Lutman, A. A. ^{[1
]}

Li, S. ^{[1
]}

Maxwell, T. ^{[1
]}

Galayda, J. ^{[1
]}

Fry, A. ^{[1
,2
]}

Huang, Z. ^{[1
]}

机构：

[1] SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA

[2] PULSE Inst, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA

[3] Rose Hulman Inst Technol, 5500 Wabash Ave, Terre Haute, IN 47803 USA

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 25期

关键词：

PROGRAMMABLE DISPERSIVE FILTER; EXTREME-ULTRAVIOLET; PULSES; OPERATION;

D O I：

10.1103/PhysRevLett.116.254801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this Letter we report the experimental demonstration of a new temporal shaping technique for x-ray free-electron lasers (FELs). This technique is based on the use of a spectrally shaped infrared (IR) laser and allows optical control of the x-ray generation process. By accurately manipulating the spectral amplitude and phase of the IR laser, we can selectively modify the electron bunch longitudinal emittance thus controlling the duration of the resulting x-ray pulse down to the femtosecond time scale. Unlike other methods currently in use, optical shaping is directly applicable to the next generation of high-average power x-ray FELs such as the Linac Coherent Light Source-II or the European X-FEL, and it enables pulse shaping of FELs at the highest repetition rates. Furthermore, this laser-shaping technique paves the way for flexible tailoring of complex multicolor FEL pulse patterns required for nonlinear multidimensional x-ray spectroscopy as well as novel multicolor diffraction imaging schemes.

引用

页数：5

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