Mitigation of Laser Imprinting with Diamond Ablator for Direct-Drive Inertial Confinement Fusion Targets

K. Shigemori, H. Kato, M. Nakai, R. Hosogi, T. Sakaiya, H. Terasaki, S. Fujioka, A. Sunahara, H. Azechi

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

We propose a novel scheme to mitigate the initial perturbation imprinting due to irradiation non-uniformity. Diamond was potential candidate for the ablator material for ICF targets due to its stiffness. The stiffness is very important parameter for imprint mitigation because the laser imprint is primary as a function of pressure perturbation due to lase irradiation non-uniformity. We measured the imprint amplitude of diamond foils and plastic (CH) foils. The experimental data suggest the initial imprinting is drastically mitigated for the diamond foils.

Original languageEnglish
Article number012107
JournalJournal of Physics: Conference Series
Volume688
Issue number1
DOIs
Publication statusPublished - Apr 1 2016
Event8th International Conference on Inertial Fusion Sciences and Applications, IFSA 2013 - Nara, Japan
Duration: Sep 8 2013Sep 13 2013

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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