Stabilized radiation pressure dominated ion acceleration from surface modulated thin-foil targets
- Institut fuer Theoretische Physik I, Heinrich-Heine-Universitaet Duesseldorf, Duesseldorf 40225 (Germany)
The Rayleigh-Taylor instability in the radiation pressure dominated regime of ion acceleration is studied by means of multidimensional particle-in-cell simulations. It is shown that the growth of the long wavelength mode of the instability can be reduced by transverse diffusion of ions coming from the initial subwavelength modulations on the target front surface. Reduction in the growth of the instability keeps the target structure uniform along the transverse direction and opaque to the laser pulse for a longer duration, improving both the final peak energy and the spectral quality of the ions.
- OSTI ID:
- 22046899
- Journal Information:
- Physics of Plasmas, Vol. 18, Issue 7; Other Information: (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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