Open AccessHYDROGENATED TARGETS FOR HIGH ENERGY PROTON GENERATION FROM LASER IRRADIATING IN TNSA REGIME
Author(s) -
L. Torrisi,
M. Cutroneo,
J. Ullschmied
Publication year - 2015
Publication title -
acta polytechnica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.207
H-Index - 15
eISSN - 1805-2363
pISSN - 1210-2709
DOI - 10.14311/ap.2015.55.0199
Subject(s) - irradiation , proton , laser , absorbance , kinetic energy , ion , materials science , acceleration , electric field , polyethylene , atomic physics , polymer , optoelectronics , optics , analytical chemistry (journal) , chemistry , physics , nuclear physics , composite material , organic chemistry , classical mechanics , quantum mechanics , chromatography
Polyethylene-based thin targets were irradiated in high vacuum in the TNSA (Target Normal Sheath Acceleration) regime using the PALS laser facility. The plasmais produced in forward direction depending on the laser irradiation conditions, the composition of the target and the geometry. The optical properties of the polymer use nanostructures to increase the laser absorbance. Proton kinetic energies from hundreds keV up to about 3MeV were obtained for optimal conditions enhancing the electric field driving the ion acceleration.