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Persistent URL
http://purl.org/net/epubs/work/23618854
Record Status
Checked
Record Id
23618854
Title
Numerical study of a multi-stage dielectric laser-driven accelerator
Contributors
Y Wei (Cockcroft Inst., and Liverpool Univ.)
,
G Xia (Cockcroft Inst., and Manchester Univ.)
,
JD Smith
,
K Hanahoe (Cockcroft Inst., and Manchester Univ.)
,
O Mete (Cockcroft Inst., and Manchester Univ.)
,
SP Jamison (STFC Daresbury Lab., and Cockcroft Inst.)
,
CP Welsch (Cockcroft Inst. and Liverpool Univ.)
Abstract
In order to overcome the limits of commonly used radiofrequency accelerators, it is highly desirable to reduce the unit cost and increase the maximum achievable accelerating gradient. Dielectric laser-driven accelerators (DLAs) based on grating structures have received considerable attention due to maximum acceleration gradients of several GV/m and mature lithographic techniques for structure fabrication. This paper explores different spatial harmonics excited by an incident laser pulse and their interaction with the electron beam from the non-relativistic (25 keV) to the highly relativistic regime in double-grating silica structures. The achievable acceleration gradient for different spatial harmonics and the optimal compromise between maximum acceleration gradient and simplicity of structure fabrication are discussed. Finally, the suitability of a multi-stage DLA which would enable the acceleration of electrons from 25 keV to relativistic energies is discussed.
Organisation
ASTeC
,
CI
,
STFC
Keywords
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Language
English (EN)
Type
Details
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Year
Journal Article
Phys Procedia
77 (2015): 50-57. Is in proceedings of: International Conference on Laser Applications at Accelerators (LA3NET ), Mallorca, Spain, 25-27 Mar 2015.
doi:10.1016/j.phpro.2015.11.009
2015
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