Double-Shell Capsule Implosions at NOVA and OMEGA

Details Double-Shell Capsule Implosions at NOVA and OMEGA Double-Shell Capsule Implosions at NOVA and OMEGA

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..dpp.j5f02w&link_type=abstract

American Physical Society, Division of Plasma Physics Meeting, November 16-20, 1998 New Orleans, LA, abstract #J5F.02

Physics

Plasma Physics

Scientific paper

Recent calculations indicate that double shell targets may provide an alternative, non-cryogenic path to ignition on NIF. Experiments have been conducted at the NOVA and OMEGA lasers to study indirectly driven double shell implosions. Double shell implosions in cylindrical hohlraums on NOVA show yields in the range of 1-2% of clean 1D calculations. NOVA implosions may be dominated by the inherent m = 5 beam pattern on either end of the cylindrical hohraum, and have significant time dependent drive asymmetry. Implosions at the OMEGA facility were done in the tethrahedral holhraum geometry which provides improved time dependent symmetry. Primary diagnostics in these implosions are the neutron diagnostics available at both facilities. NOVA shots used DD, while the OMEGA shots used both DD and DT to maximize the available information from the implosions. Individual implosion data and comparison to simulations will be shown for NOVA and OMEGA double shell implosions.

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