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Initial performance results of the OMEGA laser system

Optics Communications · 1997 · Vol. 133(1-6) · pp. 495–506

T. R. Boehly✉(University of Rochester)David L. Brown(University of Rochester)R. S. Craxton(Energetics (United States))R. L. Keck(Energetics (United States))J. P. Knauer(Energetics (United States))J. H. Kelly(University of Rochester)T. J. Kessler(University of Rochester)Steve Kumpan(University of Rochester)S. J. Loucks(Energetics (United States))S. Letzring(University of Rochester)F. J. Marshall(University of Rochester)R. L. McCrory(University of Rochester)Samuel Finley Breese Morse(Energetics (United States))W. Seka(Energetics (United States))J. M. Soures(University of Rochester)C. P. Verdon(University of Rochester)

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Abstract

OMEGA is a 60-terawatt, 60-beam, frequency-tripled Nd:glass laser system designed to perform precision direct-drive inertial-confinement-fusion (ICF) experiments. The upgrade to the system, completed in April 1995, met or surpassed all technical requirements. The acceptance tests demonstrated exceptional performance throughout the system: high driver stability (< 2% variations), precise control of the beam profiles and amplifier gains, 75% frequency-conversion efficiency, beam energy balance less than 8% and stable on-target irradiation of up to 37 kJ UV. We present these results and show that the system performance is well modeled by our propagation and frequency-conversion codes.

Solid State Laser Technologies Laser Design and Applications Photorefractive and Nonlinear OpticsInertial confinement fusionOpticsLaserBeam (structure)AmplifierUpgradeOmegaMaterials scienceLaser beamsPhysics

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