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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper CTuQ2

Optical bearn smoothing on the NIKE KrF laser

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Abstract

NIKE is an angularly-multiplexed KrF laser that is currently under development at the Naval Research Laboratory to address technological and physics issues of direct-drive laser fusion.1 It will deliver 2-3 kJ of 248-nm light in a uniform flat-top profile at intensities >2 × 1014 W/cm2, which will be used to study ablative acceleration of thin planar foil targets under conditions close to the operating regime envisioned for a high gain ICF pellet. The NIKE system consists of a commercial oscillator/amplifier front end, an array of discharge preamplifiers, two e-beam pumped amplifier stages (with apertures of 20 × 20 cm2 and 60 × 60 cm2), and the optics required to relay, multiplex, and demultiplex the optical beams.

© 1994 Optical Society of America

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