title: Evolution of shell nonuniformities near peak compression of a spherical implosion.
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.
authors.affiliation: Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623, USA.
authors.forename: V A
authors.initials: VA
authors.lastname: Smalyuk
authors.forename: V N
authors.initials: VN
authors.lastname: Goncharov
authors.forename: J A
authors.initials: JA
authors.lastname: Delettrez
authors.forename: F J
authors.initials: FJ
authors.lastname: Marshall
authors.forename: D D
authors.initials: DD
authors.lastname: Meyerhofer
authors.forename: S P
authors.initials: SP
authors.lastname: Regan
authors.forename: B
authors.initials: B
authors.lastname: Yaakobi