Abstract
A method for the production of a foam filled target with two regions of different densities is described in this paper. These two different density regions are separated by a 1 μm thick film, with a roughness of 5 μm rms peak to valley. The two regions are filled with a homogeneous, different density foams. These targets were designed to investigate the Richtmyer-Meshkov instability in the plasma region. The production of these targets using the in-situ polymerization technique is described. Several approaches for the production of these targets are examined. Triacrylate foams with densities of 40 mg cm−3 and 200 mg cm−3 were used in the targets.
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