Measurement of Feedthrough and Instability Growth in Radiation-Driven Cylindrical Implosions

Warren W. Hsing and Nelson M. Hoffman
Phys. Rev. Lett. 78, 3876 – Published 19 May 1997
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Abstract

We have performed the first radiation-driven implosions in a convergent geometry where feedthrough of the Rayleigh-Taylor instability and Bell-Plesset growth are observed. A perturbation in a dodecagon shape was machined on the outer surface of a cylindrical polystyrene shell. The shell was imploded by radiation ablation in a hohlraum at the Nova laser. Growth of the perturbation was observed at the inner surface of the shell via x-ray backlighter imaging. This method shows promise for the study of instability growth and feedthrough in converging flows.

  • Received 27 December 1994

DOI:https://doi.org/10.1103/PhysRevLett.78.3876

©1997 American Physical Society

Authors & Affiliations

Warren W. Hsing and Nelson M. Hoffman

  • Los Alamos National Laboratory, Los Alamos, New Mexico 87545

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Issue

Vol. 78, Iss. 20 — 19 May 1997

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