Dynamic hohlraum experiments on SATURN

Details Dynamic hohlraum experiments on SATURN Dynamic hohlraum experiments on SATURN

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..409..175n&link_type=abstract

The fourth international conference on dense z-pinches. AIP Conference Proceedings, Volume 409, pp. 175-182 (1997).

Computer Science

6

Theta Pinch, Plasma Production And Heating By Shock Waves And Compression, X-Ray And Gamma-Ray Measurements

Scientific paper

We have imploded a 17.5 mm diameter 120-tungsten-wire array weighing 450 μg/cm onto a 4 mm diameter silicon aerogel foam weighing 650 μg/cm, using the pulsed power driver SATURN. A peak current of 7.0 MA drives a 48 ns implosion to strike time followed by 8 ns of foam compression until stagnation. The tungsten strikes the foam with a 50 cm/μs implosion velocity. Radiation temperatures were measured from the side and along the axis with filtered x-ray diode arrays. There is evidence of radiation trapping by the optically thick tungsten from crystal spectroscopy. The pinch is open to less than a 1 mm diameter as measured by time-resolved x-ray framing cameras. The radiation brightness temperature in the foam reaches 150 eV before the main radiation burst or stagnation.

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