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Measures to Provide Survival of the Direct Drive and Fast Ignition, Direct Compression Targets in the Reaction Chamber
Volume 43 · Number 3 · May 2003 · Pages 312-320
Technical Paper · Targets and Target Protection During Injection
Mikhail L. Shmatov, Ronald W. Petzoldt, Emanuil I. Valmianski
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Protection of the direct-drive thermonuclear targets in the reaction chamber by containers of several kinds is considered. Thermoinsulation of the cryogenic thermonuclear fuel by a target ablator consisting of two layers separated by vacuum, low-density gas, or low-density foam is also considered. It is shown that the cones that provide a beam channel for heating the compressed fuel in some of the fast ignition, direct compression scenarios can also serve as effective wake shields protecting the fuel capsules.
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