Physics – Plasma Physics
Scientific paper
Nov 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aps..dppgp8042o&link_type=abstract
American Physical Society, 49th Annual Meeting of the Division of Plasma Physics, November 12-16, 2007, abstract #GP8.042
Physics
Plasma Physics
Scientific paper
For Fast Ignition Inertial Confinement Fusion using proton beams, methods must be developed to improve the efficiency in converting laser energy incident on thin foils to the accelerated proton beam from the foil's rear surface. Simulations suggest that targets with a heavy element hydride, such as ErH3, on the rear surface will increase the conversion efficiency by a factor of two relative to proton signals originating from hydrocarbon contaminants. Using the Callisto Laser, at LLNL ((8J, 5x10^19 W/cm^2)) we have compared proton beams originating from contaminant layers on Gold foil targets with beams from Gold targets coated with ErH3. Contaminants were removed using an Ar-Ion etching beam. Data was collected using radiochromic film and an ion spectrometer.
Chen Ding Chuan
Foord Mark E.
MacKinnon A. J.
MacPhee A. G.
Offermann D. T.
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