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Proceedings Paper

The physics of collisionless absorption and particle acceleration by superintense laser beams
Author(s): P. Mulser; D. Bauer; Tatjana Muth
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Paper Abstract

The status of present understanding of collisionless absorption of intense laser pulses out of linear resonance is discussed in Sec. 1. In Sec. 2 skin layer absorption is modelled in a test particle picture and it is shown that the energy gained by a single particle depends strongly on the injection phase relative to the laser field and that electron reflection is not localized at the target boundary. To provide for adequate absorption an energetic component must be present. The main achievement of this paper is contained in Sec. 3. We show that most of collective (collisionless) absorption is by anharmonic resonance of electron bunches in their own space charge field. In Sec. 4 basic considerations on electron acceleration by laser beams in vacuum are outlined and a summary of the main achievements by wake field acceleration in tenuous plasmas is presented.

Paper Details

Date Published: 3 February 2006
PDF: 14 pages
Proc. SPIE 5975, Topical Problems of Nonlinear Wave Physics, 597508 (3 February 2006); doi: 10.1117/12.675477
Show Author Affiliations
P. Mulser, Technische Univ. Darmstadt (Germany)
D. Bauer, Max-Planck-Institut für Kernphysik (Germany)
Tatjana Muth, Technische Univ. Darmstadt (Germany)

Published in SPIE Proceedings Vol. 5975:
Topical Problems of Nonlinear Wave Physics
Alexander M. Sergeev, Editor(s)

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