Ab s t ra c tWe hiwe imploded a 17.5 mm diameter 120-tungsten-wire a m y weighing 150 U g h n onto a 1 mrn diameter silicon aerogel foam weighing 650 pgfcm, using the pulsed p o u a driver SATURV. . 4 p& current of 7.0 M-4 drives a 18 N impiosiou to strike time followed by S N cf foam compression until stagmtion. Thc tungsten strikcs the foam ivitti n 50 crn'us implosion veIocity. Radiation tempcnrures \sere measwcd from thc sidc nnci nfong the nsis with fiItered x-ray diode arrays. There is evidence of ndintion [rapping by thc optically thick tungten from crystal spec~oscopy. The pinch is open to lcss dian n 1 rnm diameter xs measured by time-resolved s-ray fnming camens. The radiation brisfitncss tempenturc in the foam reaches 150 eV before the main radiation b u n t or stagmtion.

Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy under Contract DE-AC04-94AL85000. Approved for public release: further dissemination unlimited.

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