Planar wire-array Z-pinch implosion dynamics and X-ray scaling at multiple-MA drive currents for a compact multisource hohlraum configuration

  • B. Jones
  • , D. J. Ampleford
  • , R. A. Vesey
  • , M. E. Cuneo
  • , C. A. Coverdale
  • , E. M. Waisman
  • , M. C. Jones
  • , W. E. Fowler
  • , W. A. Stygar
  • , J. D. Serrano
  • , M. P. Vigil
  • , A. A. Esaulov
  • , V. L. Kantsyrev
  • , A. S. Safronova
  • , K. M. Williamson
  • , A. S. Chuvatin
  • , L. I. Rudakov

Research output: Contribution to journalArticlepeer-review

Abstract

An indirect drive configuration is proposed wherein multiple compact Z-pinch x-ray sources surround a secondary hohlraum. Planar compact wire arrays allow reduced primary hohlraum surface area compared to cylindrical loads. Implosions of planar arrays are studied at up to 15 TW x-ray power on Saturn with radiated yields exceeding the calculated kinetic energy, suggesting other heating paths. X-ray power and yield scaling studied from 1-6 MA motivates viewfactor modeling of four 6-MA planar arrays producing 90 eV radiation temperature in a secondary hohlraum.

Original languageEnglish
Article number125001
JournalPhysical Review Letters
Volume104
Issue number12
DOIs
Publication statusPublished - 22 Mar 2010

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