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We present recent advances with the use of nanostructured solid foils, which allow to improve the proton beam characteristics in the context laser-driven particle acceleration. We show that they are able to increase the laser energy absorption compared to what can be achieved with conventional targets and are produced with a method that is much simpler and cheaper than conventional lithographic processes. The results of 2D PIC simulations are shown for nanowires and nanospheres compared to classical targets, along with preliminary experimental validations obtained at the JLF-TITAN laser at LLNL and also on the LULI-ELFIE laser at École Polytechnique de Paris.
© 2018 The Author(s)
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