Actions for Nonlinear laser energy depletion in laser-plasma accelerators [electronic resource].

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Nonlinear laser energy depletion in laser-plasma accelerators [electronic resource].

Published
Berkeley, Calif. : Lawrence Berkeley National Laboratory, 2009.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
9 : digital, PDF file
Additional Creators
Lawrence Berkeley National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Energy depletion of intense, short-pulse lasers via excitation of plasma waves is investigated numerically and analytically. The evolution of a resonant laser pulse proceeds in two phases. In the first phase, the pulse steepens, compresses, and frequency red-shifts as energy is deposited in the plasma. The second phase of evolution occurs after the pulse reaches a minimum length at which point the pulse rapidly lengthens, losing resonance with the plasma. Expressions for the rate of laser energy loss and rate of laser red-shifting are derived and are found to be in excellent agreement with the direct numerical solution of the laser field evolution coupled to the plasma response. Both processes are shown to have the same characteristic length-scale. In the high intensity limit, for nearly-resonant Gaussian laser pulses, this scale length is shown to be independent of laser intensity.
Report Numbers
E 1.99:lbnl-1971e
lbnl-1971e
Other Subject(s)
Note
Published through SciTech Connect.
04/03/2009.
"lbnl-1971e"
Physics of Plasmas ISSN 1070-664X; PHPAEN FT
Schroeder, C.B.; Esarey, E.; Shadwick, B.A.
Accelerator&
Fusion Research Division
Funding Information
DE-AC02-05CH11231
View MARC record | catkey: 14678191