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

Optical bearn smoothing on the NIKE KrF laser

T. Lehecka, A. V. Deniz, J. Hardgrove, S. E. Bodner, K. A. Gerber, R. H. Lehmberg, E. A. McLean, S. P. Obenschain, C. J. Pawley, M. S. Pronko, J. D. Sethian, and J. A. Stamper

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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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