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High Efficiency Targets for High Gain Inertial Confinement Fusion.

Author: John H Gardner; Stephen E Bodner; NAVAL RESEARCH LAB WASHINGTON DC.
Publisher: Ft. Belvoir Defense Technical Information Center 19 SEP 1986.
Edition/Format:   Print book : English
Database:WorldCat
Summary:
Rocket efficiencies as high as 15% are possible using short wavelength lasers and moderately high aspect ratio pellet designs. These designs are made possible by two recent breakthroughs in physics constraints. First is the development of the Induced Spatial Incoherence (ISI) technique which allows uniform illumination of the pellet and relaxes the constraint of thermal smoothing, permitting the use of short  Read more...
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Document Type: Book
All Authors / Contributors: John H Gardner; Stephen E Bodner; NAVAL RESEARCH LAB WASHINGTON DC.
OCLC Number: 227688533
Description: 29 pages

Abstract:

Rocket efficiencies as high as 15% are possible using short wavelength lasers and moderately high aspect ratio pellet designs. These designs are made possible by two recent breakthroughs in physics constraints. First is the development of the Induced Spatial Incoherence (ISI) technique which allows uniform illumination of the pellet and relaxes the constraint of thermal smoothing, permitting the use of short wavelength laser light. Second is the discovery that the Rayleigh Taylor growth rate is considerably reduced at the short laser wavelengths. By taking advantage of the reduced constraints imposed by nonuniform laser illumination and Rayleigh Taylor instability, pellets using 1/4 micron laser light and initial aspect ratios of about 10 (with in flight aspect ratios of about 150-200) may produce energy gains as high as 200-250.

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Primary Entity

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