Evolution of shell nonuniformities near peak compression of a spherical implosion.

Authors :: Smalyuk VA
Goncharov VN
Delettrez JA
Marshall FJ
Meyerhofer DD
Regan SP
Yaakobi B
Source :: Physical review letters [Phys Rev Lett] 2001 Oct 08; Vol. 87 (15), pp. 155002. Date of Electronic Publication: 2001 Sep 25.
Publication Year :: 2001
Abstract: The evolution of shell modulations near peak compression of direct-drive spherical-target implosions has been measured using the 60-beam, 30-kJ UV OMEGA laser system. The spatial size and amplitude of shell-areal-density modulations decrease during the target compression, then increase during its decompression as expected. The shell uniformity at peak compression has been increased by reducing single-beam, laser-drive nonuniformity.

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