Omega experiments and preparation for direct-drive ignition on NIF

Stanley Skupsky; Robert L. McCrory Jr.; R. E. Bahr; Thomas R. Boehly; T. J. B. Collins; Robert Stephen Craxton; J. A. Delettrez; William R. Donaldson; R. Epstein; V. N. Goncharov; R. Q. Gram; D. R. Harding; Paul A. Jaanimagi; Robert L. Keck; James P. Knauer; S. J. Loucks; Frederic J. Marshall; P. W. McKenty; David D. Meyerhofer; Samuel F.B. Morse; O. V. Gotchev; P. B. Radha; Sean P. Regan; Wolf D. Seka; V. A. Smalyuk; John M. Soures; Christian Stoeckl; R. P. J. Town; M. D. Whitman; Barukh Yaakobi; Jonathan D. Zuegel; Richard D. Petrasso; J. Frenje; D. G. Hicks; C. K. Li; Frederick Seguin

doi:10.1117/12.425607

23 April 2001 Omega experiments and preparation for direct-drive ignition on NIF

Stanley Skupsky, Robert L. McCrory Jr., R. E. Bahr, Thomas R. Boehly, T. J. B. Collins, Robert Stephen Craxton, J. A. Delettrez, William R. Donaldson, R. Epstein, V. N. Goncharov, R. Q. Gram, D. R. Harding, Paul A. Jaanimagi, Robert L. Keck, James P. Knauer, S. J. Loucks, Frederic J. Marshall, P. W. McKenty, David D. Meyerhofer, Samuel F.B. Morse, O. V. Gotchev, P. B. Radha, Sean P. Regan, Wolf D. Seka, V. A. Smalyuk, John M. Soures, Christian Stoeckl, R. P. J. Town, M. D. Whitman, Barukh Yaakobi, Jonathan D. Zuegel, Richard D. Petrasso, J. Frenje, D. G. Hicks, C. K. Li, Frederick Seguin

Author Affiliations +

Proceedings Volume 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter; (2001) https://doi.org/10.1117/12.425607
Event: 26th European Conference on Laser Interaction with Matter (ECLIM 2000), 2000, Prague, Czech Republic

Abstract

Direct-drive laser-fusion ignition experiments rely on detailed understanding and control of irradiation uniformity, the Rayleigh-Taylor instability, and target fabrication. LLE is investigating various theoretical aspects of a direct-drive NIF ignition target based on an 'all-DT' design: a spherical target of approximately 3.5-mm diameter, 1 to 2 micrometers of CH wall thickness, and an approximately 350-micrometers DT-ice layer near the triple point of DT. OMEGA experiments are designed to address the critical issues related to direct-drive laser fusion and to provide the necessary data to validate the predictive capability of LLE computer codes. The cryogenic targets planned for OMEGA are hydrodynamically equivalent to those planned for the NIF. The current experimental studies on OMEGA address all of the essential components of direct- drive laser fusion: irradiation uniformity and laser imprinting, Rayleigh-Taylor growth and saturation, compressed core performance and shell-fuel mixing, laser- plasma interactions and their effect on target performance, and cryogenic target fabrication and handling.

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Stanley Skupsky, Robert L. McCrory Jr., R. E. Bahr, Thomas R. Boehly, T. J. B. Collins, Robert Stephen Craxton, J. A. Delettrez, William R. Donaldson, R. Epstein, V. N. Goncharov, R. Q. Gram, D. R. Harding, Paul A. Jaanimagi, Robert L. Keck, James P. Knauer, S. J. Loucks, Frederic J. Marshall, P. W. McKenty, David D. Meyerhofer, Samuel F.B. Morse, O. V. Gotchev, P. B. Radha, Sean P. Regan, Wolf D. Seka, V. A. Smalyuk, John M. Soures, Christian Stoeckl, R. P. J. Town, M. D. Whitman, Barukh Yaakobi, Jonathan D. Zuegel, Richard D. Petrasso, J. Frenje, D. G. Hicks, C. K. Li, and Frederick Seguin "Omega experiments and preparation for direct-drive ignition on NIF", Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); https://doi.org/10.1117/12.425607

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KEYWORDS

National Ignition Facility

Plasma

Pulsed laser operation

Cryogenics

Electrons

Laser welding

Solids

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