Recent results of the National Ignition Facility Beamlet demonstration project

Bruno M. Van Wonterghem; John A. Caird; Charles E. Barker; Jack H. Campbell; John R. Murray; David Ralph Speck

doi:10.1117/12.228257

8 December 1995 Recent results of the National Ignition Facility Beamlet demonstration project

Bruno M. Van Wonterghem, John A. Caird, Charles E. Barker, Jack H. Campbell, John R. Murray, David Ralph Speck

Proceedings Volume 2633, Solid State Lasers for Application to Inertial Confinement Fusion (ICF); (1995) https://doi.org/10.1117/12.228257
Event: Solid State Lasers for Application to Inertial Confinement Fusion (ICF), 1995, Monterey, CA, United States

Abstract

The activation of a full scale single beam prototype of a multipass amplifier cavity based fusion class laser has been completed. A 35 multiplied by 35 cm² beam is amplified during four passes through an 11 slab long amplifier in a cavity, and is switched out using a full aperture Pockels cell and polarizer. Further amplification is achieved in a five slab long booster amplifier, before being frequency tripled by a Type I/Type II frequency converter. We present initial performance results of this laser system, called Beamlet. At 1 omega, energies up to 17.3 kJ have been generated in a 10 ns pulse, and frequency tripled beams up to 8.3 kJ in a 3 ns pulse.

Citation Download Citation

Bruno M. Van Wonterghem, John A. Caird, Charles E. Barker, Jack H. Campbell, John R. Murray, and David Ralph Speck "Recent results of the National Ignition Facility Beamlet demonstration project", Proc. SPIE 2633, Solid State Lasers for Application to Inertial Confinement Fusion (ICF), (8 December 1995); https://doi.org/10.1117/12.228257

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