Electron acceleration by a bichromatic chirped laser pulse in underdense plasmas

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS

卷:369

Article; Proceedings Paper

Pocsai, M. A.¹  Varro, S.^1,2  Barna, I. F.^1,2 

[1] Hungarian Acad Sci, Wigner Res Ctr Phys, Konkoly Thege Miklos Ut 29-33, H-1121 Budapest, Hungary

[2] ELI HU Nonprofit Ltd, Dugon Ter 13, H-6720 Szeged, Hungary

关键词: Underdense plasma;    Electron acceleration;    Classical electrodynamics;    Relativistic equation of motion;    Ultrashort laser pulses;   

DOI  :  10.1016/j.nimb.2015.10.013

来源: Elsevier

【 摘 要 】

A theoretical study of laser and plasma based electron acceleration is presented. An effective model has been used, in which the presence of an underdense plasma has been taken account via its index of refraction n(m). In the confines of this model, the basic phenomena can be studied by numerically solving the classical relativistic equations of motion. The key idea of this paper is the application of chirped, bichromatic laser fields. We investigated the advantages and disadvantages of mixing the second harmonic to the original lambda = 800 nm wavelength pulse. We performed calculations both for plane wave and Gaussian pulses. (C) 2015 Elsevier B.V. All rights reserved.

【 授权许可】

Free