Ion acceleration with ultra-thin foils using elliptically polarized laser pulses

Details Ion acceleration with ultra-thin foils using elliptically polarized laser pulses Ion acceleration with ultra-thin foils using elliptically polarized laser pulses

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008njph...10k3005r&link_type=abstract

New Journal of Physics, Volume 10, Issue 11, pp. 113005 (2008).

Physics

32

Scientific paper

We present theoretical considerations on the process of ion acceleration with ultra-thin foils irradiated by elliptically polarized, highly intense laser pulses. Very recently the radiation pressure acceleration regime was predicted where mono-energetic ion bunches can be produced with high efficiencies (Klimo et al 2008 Phys. Rev. ST Accel. Beams 11 031301; Robinson et al 2008 New J. Phys. 10 013021). We have studied the process by means of 1D particle-in-cell (PIC) simulations and analytical models and have considered effects of areal mass density of the target and laser ellipticity on the ion acceleration process. For certain target densities and laser parameters the optimum target thickness has been extracted. Peaked ion spectra are found for ellipticity beyond a threshold value of about 0.7. Here, we highlight the drastic difference between linear and circular polarization by movie animations.

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