Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 77, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2218856
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We report on the experiments aimed at obtaining core temperature and density maps in direct drive implosions at the Omega laser facility using multimonochromatic x-ray imagers. These instruments use an array of pinholes and a flat multilayer mirror to provide unique multispectral images distributed over a wide spectral range. Using argon as a dopant in the direct-drive filled plastic shells produces emission images in the Ar He-beta and Ly-beta spectral regions. These images allow the retrieval of temperature and density maps of the plasma. We deployed three identical multimonochromatic x-ray imagers in a quasiorthogonal line-of-sight configuration to allow tomographic reconstruction of the structure of the imploding core. (c) 2006 American Institute of Physics.
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