SBS PCM Technique Applied for Aiming at IFE Pellets: First Tests with Amplifiers and Harmonic Conversion

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The very first results obtained in experiments especially designed for verification of the stimulated Brillouin scattering phase conjugating mirror-based inertial fusion energy (IFE) approach as an alternative to the standard direct drive IFE scheme are reported. Inclusion of a higher harmonic conversion crystal directly into the laser beam trajectory, in combination with a dispersive wedge, confirmed the possibility of fully automatic self-navigation of laser drivers on the surface of injected pellets. Based on the expected very large numbers of individual laser drivers, a method for the realization of the final irradiation pulse temporal profile required by the IFE scheme was proposed in the form of a combination of suitably tailored (in energies and delays) neighboring beams. The conceptual design of one laser driver channel for an energy of pellet irradiation of similar to 1 kJ was proposed and numerically evaluated, providing guidance for the most important issues to be taken into consideration in practical designs.
Publisher
KOREAN PHYSICAL SOC
Issue Date
2010-01
Language
English
Article Type
Article
Keywords

BRILLOUIN-SCATTERING; IGNITION

Citation

JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.56, pp.184 - 189

ISSN
0374-4884
DOI
10.3938/jkps.56.184
URI
http://hdl.handle.net/10203/97887
Appears in Collection
PH-Journal Papers(저널논문)
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