High-intensity laser-accelerated ion beam produced from cryogenic micro-jet target

We report on the successful operation of a newly developed cryogenic jet target at high intensity laser-irradiation. Using the frequency-doubled Titan short pulse laser system at Jupiter Laser Facility, Lawrence Livermore National Laboratory, we demonstrate the generation of a pure proton beam a wit...

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Bibliographic Details
Published in:Review of scientific instruments 2016-11, Vol.87 (11), p.11D827-11D827
Main Authors: Gauthier, M., Kim, J. B., Curry, C. B., Aurand, B., Gamboa, E. J., Göde, S., Goyon, C., Hazi, A., Kerr, S., Pak, A., Propp, A., Ramakrishna, B., Ruby, J., Willi, O., Williams, G. J., Rödel, C., Glenzer, S. H.
Format: Article
Language:English
Subjects:
Density
Deuterium
Ion beams
Laser beams
Lasers
PARTICLE ACCELERATORS
Proton beams
Scientific apparatus & instruments
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Summary:We report on the successful operation of a newly developed cryogenic jet target at high intensity laser-irradiation. Using the frequency-doubled Titan short pulse laser system at Jupiter Laser Facility, Lawrence Livermore National Laboratory, we demonstrate the generation of a pure proton beam a with maximum energy of 2 MeV. Furthermore, we record a quasi-monoenergetic peak at 1.1 MeV in the proton spectrum emitted in the laser forward direction suggesting an alternative acceleration mechanism. Using a solid-density mixed hydrogen-deuterium target, we are also able to produce pure proton-deuteron ion beams. With its high purity, limited size, near-critical density, and high-repetition rate capability, this target is promising for future applications.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4961270