Upgrade of the OMEGA laser system

Thomas R. Boehly; Robert Stephen Craxton; Robert J. Hutchison; John H. Kelly; Terrance J. Kessler; Steven A. Kumpan; Samuel A. Letzring; Robert L. McCrory Jr.; Samuel F.B. Morse; Wolf D. Seka; Stanley Skupsky; John M. Soures; Charles P. Verdon

doi:10.1117/12.60169

1 June 1992 Upgrade of the OMEGA laser system

Thomas R. Boehly, Robert Stephen Craxton, Robert J. Hutchison, John H. Kelly, Terrance J. Kessler, Steven A. Kumpan, Samuel A. Letzring, Robert L. McCrory Jr., Samuel F.B. Morse, Wolf D. Seka, Stanley Skupsky, John M. Soures, Charles P. Verdon

Author Affiliations +

Proceedings Volume 1627, Solid State Lasers III; (1992) https://doi.org/10.1117/12.60169
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Funding for the OMEGA laser Upgrade project has been approved and the design of a 30-kJ, 351-nm, 60-beam laser system has begun. This system will provide a unique capability to validate high-performance, direct-drive laser-fusion targets. We highlight various design features of a system that will attain 1% - 2% irradiation uniformity with versatile pulse shaping, thus providing a wide range of irradiation options for direct-drive experiments. The Nd:glass laser system consists of 60 beamlines using 20-cm disk power-amplifiers, frequency- tripling, phase conversion with diffractive optics, and smoothing by spectral dispersion (SSD). The initial pulse shape will be achieved by co-axial propagation of two beams having different pulse widths. These 'main' and 'foot' pulses will occupy different portions of the laser aperture. In addition, electro-optic technology will be used for shaping and truncation of these pulses.

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Thomas R. Boehly, Robert Stephen Craxton, Robert J. Hutchison, John H. Kelly, Terrance J. Kessler, Steven A. Kumpan, Samuel A. Letzring, Robert L. McCrory Jr., Samuel F.B. Morse, Wolf D. Seka, Stanley Skupsky, John M. Soures, and Charles P. Verdon "Upgrade of the OMEGA laser system", Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); https://doi.org/10.1117/12.60169

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