Physics – Plasma Physics
Scientific paper
2009-11-25
Phys. Lett. A 374 (2010) 476-480
Physics
Plasma Physics
6 pages, 2 figures. Phys. Lett. A, in press
Scientific paper
10.1016/j.physleta.2009.11.009
The efficient generation of intense X-rays and $\gamma$-radiation is studied. The scheme is based on the relativistic mirror concept, {\it i.e.}, a flying thin plasma slab interacts with a counterpropagating laser pulse, reflecting part of it in the form of an intense ultra-short electromagnetic pulse having an up-shifted frequency. In the proposed scheme a series of relativistic mirrors is generated in the interaction of the intense laser with a thin foil target as the pulse tears off and accelerates thin electron layers. A counterpropagating pulse is reflected by these flying layers in the form of an ensemble of ultra-short pulses resulting in a significant energy gain of the reflected radiation due to the momentum transfer from flying layers.
Bulanov Sergei
Bychenkov Valery Yu.
Krushelnick Karl
Maksimchuk Anatoly
Popov K. I.
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