Implementation of smoothing by spectral dispersion on Beamlet and NIF

Joshua E. Rothenberg; Jerome M. Auerbach; Bryan D. Moran; James E. Murray; Timothy L. Weiland; Paul J. Wegner

doi:10.1117/12.354249

23 July 1999 Implementation of smoothing by spectral dispersion on Beamlet and NIF

Joshua E. Rothenberg, Jerome M. Auerbach, Bryan D. Moran, James E. Murray, Timothy L. Weiland, Paul J. Wegner

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354249
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

Abstract

The performance of the Beamlet laser with one dimensional smoothing by spectral dispersion implemented is investigated. Measurements of then ear field beam quality, nonlinear breakup, and transmission through spatial filter pinholes show a modest effect only at large SSD divergence. No measurable effect was found at the divergence level planned for indirect drive ignition experiments. The efficiency of conversion to the third harmonic was also measured with SSD present and found to be somewhat larger than expected form an ideal plane wave model.

Citation Download Citation

Joshua E. Rothenberg, Jerome M. Auerbach, Bryan D. Moran, James E. Murray, Timothy L. Weiland, and Paul J. Wegner "Implementation of smoothing by spectral dispersion on Beamlet and NIF", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354249

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