Multilayer film coating for laser ion source target for increase of low charge state production

Author:

Ceccio GiovanniORCID,Ikeda Shunsuke,Kanesue Takeshi,Cannavò AntoninoORCID,Cutroneo Mariapompea,Pleskunov Pavel,Takahashi Kazumasa,Grove Logan,Friedland Adam,Okamura MasahiroORCID

Abstract

Abstract The use of Laser Ion Source for accelerator facilities has the advantage to tune the characteristic of the produced beams by changing the laser parameters using the same primary target. The advantageous and innovative opportunity to manipulate the characteristic of charge state distributions by the use of composed target, may open new possibilities for the ion sources. In this experiment we characterize and study the plasma produced by the laser ablation of coated targets at constant laser parameters. The performed investigation has the double purpose to have a better understanding of penetration depth of laser in composed materials and understand how to tune the charge states by adding coating films. The obtained results showed that for particular thickness of coating, the low charge states were produced with higher yield than in the case of pure material.

Funder

U.S. Department of Energy

Brookhaven Science Associates, LLC

Publisher

IOP Publishing

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