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The Nike KrF laser facility: Performance and initial target experiments

  • S. P. Obenschain
  • , S. E. Bodner
  • , D. Colombant
  • , K. Gerber
  • , R. H. Lehmberg
  • , E. A. Mclean
  • , A. N. Mostovych
  • , M. S. Pronko
  • , C. J. Pawley
  • , A. J. Schmitt
  • , J. D. Sethian
  • , V. Serlin
  • , J. A. Stamper
  • , C. A. Sullivan
  • , J. P. Dahlburg
  • , J. H. Gardner
  • , Y. Chan
  • , A. V. Deniz
  • , J. Hardgrove
  • , T. Lehecka
  • M. Klapisch

Research output: Contribution to journalArticlepeer-review

187 Scopus citations

Abstract

Krypton‐fluoride (KrF) lasers are of interest to laser fusion because they have both the large bandwidth capability (≳THz) desired for rapid beam smoothing and the short laser wavelength (1/4 μm) needed for good laser–target coupling. Nike is a recently completed 56‐beam KrF laser and target facility at the Naval Research Laboratory. Because of its bandwidth of 1 THz FWHM (full width at half‐maximum), Nike produces more uniform focal distributions than any other high‐energy ultraviolet laser. Nike was designed to study the hydrodynamic instability of ablatively accelerated planar targets. First results show that Nike has spatially uniform ablation pressures (Δp/p<2%). Targets have been accelerated for distances sufficient to study hydrodynamic instability while maintaining good planarity. In this review we present the performance of the Nike laser in producing uniform illumination, and its performance in correspondingly uniform acceleration of targets.

Original languageEnglish
Pages (from-to)2098-2107
Number of pages10
JournalPhysics of Plasmas
Volume3
Issue number5
DOIs
StatePublished - May 1996
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • ABLATION
  • DIRECT DRIVE LASER IMPLOSION
  • KRYPTON FLUORIDE LASERS
  • LASER FUSION REACTORS
  • LASER−PRODUCED PLASMA
  • LASER−RADIATION HEATING
  • PERFORMANCE

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