Measurements of Proton Energy Spectra Generated by Ultra Intense Laser Solid Interactions

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Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi
Volume:21 Issue:2
Measurements of Proton Energy Spectra Generated by Ultra Intense Laser Solid Interactions

Measurements of Proton Energy Spectra Generated by Ultra Intense Laser Solid Interactions

Pages : 338-344

View : 14 | Download : 13

Publication Date : 2017-06-06

Article Type : Research Paper

Abstract :In this study, we have presented proton energy spectra produced by such high irradiance insert ignore into journalissuearticles values($\mathrm{10^{20} \ W/cm^{2}}$); lasers interacting with a pre formed plasma in front of the target and with solid targets without a pre formed plasma. The effects of the target thickness and the generated plasma on the maximum energy and proton numbers are assessed. It is observed that experimentally measured maximum proton energy and number of protons have a dependence on target thickness and preformed plasma scale length produced by prepulse laser with the irradiance of $\sim 10^{12}$ W/$\mathrm{cm^{2}}$. 2D EPOCH PIC code simulation results of the energy spectra of protons are in a good agreement with measured experimental results.
Keywords : Proton generation, Lazer solid interactions, High power lasers

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