Electron diffraction using ultrafast electron bunches from a laser-wakefield accelerator at kHz repetition rate

被引：56

作者：

He, Z. -H. ^{[1
]}

Thomas, A. G. R. ^{[1
]}

Beaurepaire, B. ^{[2
]}

Nees, J. A. ^{[1
]}

Hou, B. ^{[1
]}

Malka, V. ^{[2
]}

Krushelnick, K. ^{[1
]}

Faure, J. ^{[2
]}

机构：

[1] Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48106 USA

[2] Ecole Polytech, CNRS, ENSTA, Lab Opt Appl,UMR 7639, F-91761 Palaiseau, France

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 06期

基金：

欧洲研究理事会; 美国国家科学基金会;

关键词：

ATOMIC MOTIONS; PULSES; FEMTOSECOND; INJECTION; PHASE;

D O I：

10.1063/1.4792057

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We show that electron bunches in the 50-100 keV range can be produced from a laser wakefield accelerator using 10 mJ, 35 fs laser pulses operating at 0.5 kHz. It is shown that using a solenoid magnetic lens, the electron bunch distribution can be shaped. The resulting transverse and longitudinal coherence is suitable for producing diffraction images from a polycrystalline 10 nm aluminum foil. The high repetition rate, the stability of the electron source, and the fact that its uncorrelated bunch duration is below 100 fs make this approach promising for the development of sub-100 fs ultrafast electron diffraction experiments. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4792057]

引用

页数：4

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