- Conference date: 19-22 April 2004
- Location: Santa Fe, New Mexico (USA)
We have developed a multiple monochromatic x‐ray imaging diagnostic that uses an array of pinholes coupled to a multilayer Bragg mirror, and we have used this diagnostic to obtain unique multispectral imaging data of inertial‐confinement fusion implosion plasmas. Argon dopants in the fuel allow emission images to be obtained in the Ar He‐β and Ly‐β spectral bands, and these images provide information on core temperature and density profiles. We have analyzed these images to obtain quasi‐three‐dimensional maps of electron temperature and scaled electron density within the core for several cases of drive symmetry, and we find quantitative and qualitative disagreement with one‐dimensional hydrodynamics simulations. We also observed a two‐lobed structure evolving for increasingly prolate‐asymmetric drive.
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