Journal
IEEE TRANSACTIONS ON PLASMA SCIENCE
Volume 39, Issue 11, Pages 2408-2409Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2011.2140339
Keywords
Inertial confinement; plasma diagnostics; radiography
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Funding
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
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Existingmonochromatic X-ray backlighting diagnostics at 1.865 and 6.151 keV have been combined to create a two-color monochromatic X-ray backlighting diagnostic. The use of different photon energies can allow a much broader range of areal densities to be observed in a single experiment. Here, we apply the two-color backlighter to the study of instability growth on the outside edge of an initially solid copper rod target driven by a 100-ns rise-time current pulse with a peak value of 20 MA. The different opacity of Cu at these two photon energies allows a dynamic range of similar to 1600x to be surveyed instead of similar to 60x (assuming a useful transmission range of 5%-95%).
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