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Complete Surface Mapping of ICF Shells

R. B. Stephens, D. Olson, H. Huang, J. B. Gibson

Fusion Science and Technology / Volume 45 / Number 2 / Pages 210-213

March 2004

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Inertial confinement fusion shells have previously been evaluated on the basis of microscopic examination for local defects and limited surface profiling to represent their average fluctuation power. Since defects are local, and don't always have visible edges, this approach both misses some important fluctuations and doesn't properly represent the spatially dependent surface fluctuation power. We have taken the first step toward correcting this problem by demonstrating the capability to completely map the surface of a NIF shell with the resolution to account for all modes. This allows complete accounting of all the surface fluctuations. In the future this capability could be used for valuable shells to generate a complete r(, ) surface map for accurate 3-D modeling of a shot.

 
 
 
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