Influencing laser-accelerated ions by femtosecond-laser desorption

Gabriele Hoffmeister
The present scientific work investigates the influence of laser-accelerated ions by femtosecond-laser desorption. The irradiation of metallic target surfaces with ultrashort laser pulses of moderate fluences enabled to successively remove surface adsorbates consisting of water vapor and hydrocarbon contaminations. Therefore, the subsequent laser-ion acceleration occurred from a target surface with a significantly reduced contamination layer which influenced both the charge states and the energies of the ions substantially. In the frame of separate desorption measurements...
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