title: Experimental demonstration of X-ray drive enhancement with rugby-shaped hohlraums.
abstract: Rugby-shaped hohlraums have been suggested as a way to enhance x-ray drive in the indirect drive approach to inertial confinement fusion. This Letter presents an experimental comparison of rugby-shaped and cylinder hohlraums used for D2 and D3He-filled capsules implosions on the Omega laser facility, demonstrating an increase of x-ray flux by 18% in rugby-shaped hohlraums. The highest yields to date for deuterium gas implosions in indirect drive on Omega (1.5x10{10} neutrons) were obtained, allowing for the first time the measurement of a DD burn history. Proton spectra measurements provide additional validation of the higher drive in rugby-shaped hohlraums.
authors.affiliation: CEA, DAM, DIF, F-91297 Arpajon, France.
authors.forename: F
authors.initials: F
authors.lastname: Philippe
authors.forename: A
authors.initials: A
authors.lastname: Casner
authors.forename: T
authors.initials: T
authors.lastname: Caillaud
authors.forename: O
authors.initials: O
authors.lastname: Landoas
authors.forename: M C
authors.initials: MC
authors.lastname: Monteil
authors.forename: S
authors.initials: S
authors.lastname: Liberatore
authors.forename: H S
authors.initials: HS
authors.lastname: Park
authors.forename: P
authors.initials: P
authors.lastname: Amendt
authors.forename: H
authors.initials: H
authors.lastname: Robey
authors.forename: C
authors.initials: C
authors.lastname: Sorce
authors.forename: C K
authors.initials: CK
authors.lastname: Li
authors.forename: F
authors.initials: F
authors.lastname: Seguin
authors.forename: M
authors.initials: M
authors.lastname: Rosenberg
authors.forename: R
authors.initials: R
authors.lastname: Petrasso
authors.forename: V
authors.initials: V
authors.lastname: Glebov
authors.forename: C
authors.initials: C
authors.lastname: Stoeckl