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Laser Fusion Experiments At 2 Tw Argus System Implosion Of D T Filled Glass Microspheres
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Book Synopsis Laser Fusion Experiments at 2 TW. [Argus System ; Implosion of D-T Filled Glass Microspheres]. by :
Download or read book Laser Fusion Experiments at 2 TW. [Argus System ; Implosion of D-T Filled Glass Microspheres]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Lawrence Livermore Laboratory Solid State Laser System, Arqus, has successfully performed laser implosion experiments at power levels exceeding 2 TW. D-T filled glass microspheres have been imploded to yield thermonuclear reaction products in excess of 5 x 108 per event. Neutron and .cap alpha. time-of-flight measurements indicate that D-T ion temperatures of approximately 5-6 keV and a density confinement time product (n tau) of approximately 1 x 1012 were obtained in these experiments. Typically two 40J, 40 psec pulses of 1.06 .mu.m light were focused on targets using 20 cm aperture f/1 lenses, producing intensities at the target in excess of 1016 W/cm2. An extensive array of diagnostics routinely monitored the laser performance and the laser target interaction process. Measurements of absorption and asymmetry in both the scattered light distribution and the ion blow off is evidence for non-classical absorption mechanisms and density scale heights of the order of 2 .mu.m or less. The symmetry of the thermonuclear burn region is investigated by monitoring the .cap alpha.-particle flux in several directions, and an experiment to image the thermonuclear burn region is in process. These experiments significantly extend our data base and our understanding of laser induced thermonuclear implosions and the basic laser plasma interaction physics from the 0.4 to 0.7 TW level of previous experiments.
Book Synopsis Laser Fusion Experiments at 2 TW. [ARGUS Implosions of D--T Microspheres]. by :
Download or read book Laser Fusion Experiments at 2 TW. [ARGUS Implosions of D--T Microspheres]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Lawrence Livermore Laboratory solid state laser system, ARGUS, has successfully performed laser implosion experiments at power levels exceeding 2 TW. D-T filled glass microspheres have been imploded to yield thermonuclear reaction products in excess of 108 per event. Neutron and .cap alpha. time of flight measurements indicate that D-T ion temperatures of (3 to 4.5 keV) and a density confinement time product (n tau) of approximately (1 to 3) x 1012 were obtained in these experiments. Typically two 30J, 30 psec pulses of 1.06 .mu.m light were focused on targets using 20 cm aperture f/l lenses, producing intensities at the target in excess of 1016 W/cm2. An extensive array of diagnostics routinely monitored the laser performance and the laser target interaction process. Measurements of absorption and asymmetry in both the scattered light distribution and the ion blow off is evidence for non-classical resonant processes absorption mechanisms and density scale heights of the order of 2.mu.m or less. The symmetry of the thermonuclear burn region is investigated by monitoring the .cap alpha. particle flux in several directions, and an experiment to image the thermonuclear burn region is in process. These experiments significantly extend our data base and our understanding of laser induced thermonuclear implosions and the basic laser plasma interaction physics from the 0.4 to 0.7 TW level of previous experiments.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1977 with total page 1072 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :1682 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fusion Energy Update written by and published by . This book was released on 1980 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindex written by and published by . This book was released on 1978 with total page 1372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977-06-15 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy written by and published by . This book was released on 1978 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Handbook: Laser devices and techniques by : E. O. Schulz-Dubois
Download or read book Laser Handbook: Laser devices and techniques written by E. O. Schulz-Dubois and published by . This book was released on 1972 with total page 904 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation and Properties of Hollow Glass Microspheres for Use in Laser Fusion Experiments by : J. H. Campbell
Download or read book Preparation and Properties of Hollow Glass Microspheres for Use in Laser Fusion Experiments written by J. H. Campbell and published by . This book was released on 1983 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: We review the preparation of high quality, hollow-glass microspheres for use in laser driven fusion experiments at LLNL. The primary focus of this paper is on the liquid-droplet method for making glass spheres, which has been in use at LLNL for over six years. We have combined the results from previous studies with our current results to present a detailed description of the preparation and the composition and physical properties of the glass microspheres. We also present a mathematical model that simulates the microsphere formation process. Examples are given of the application of the model to study the effects of various process parameters.
Book Synopsis Preparation and Properties of Hollow Glass Microspheres for Use in Laser Fusion Experiments by :
Download or read book Preparation and Properties of Hollow Glass Microspheres for Use in Laser Fusion Experiments written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We review the preparation of high quality, hollow-glass microspheres for use in laser driven fusion experiments at LLNL. The primary focus of this paper is on the liquid-droplet method for making glass spheres, which has been in use at LLNL for over six years. We have combined the results from previous studies with our current results to present a detailed description of the preparation and the composition and physical properties of the glass microspheres. We also present a mathematical model that simulates the microsphere formation process. Examples are given of the application of the model to study the effects of various process parameters.
Book Synopsis Laser Handbook by : E. O. Schulz-Dubois
Download or read book Laser Handbook written by E. O. Schulz-Dubois and published by Elsevier Science & Technology. This book was released on 1972 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consists of: Part A: Laser technology
Book Synopsis Laser Fusion Implosion and Plasma Interaction Experiments by :
Download or read book Laser Fusion Implosion and Plasma Interaction Experiments written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Results related to the propagation, absorption and scattering of laser light by both spherical and planar targets are described. The absorption measurements indicate that for intensities of interest, inverse bremsstrahlung is not the dominant absorption mechanism. The laser light scattered by the plasma is polarization dependent and provides evidence that Brillouin scattering and resonance absorption are operative. Special diagnostics have been designed and experiments have been performed to elucidate the nature of these two processes. Implosion results on glass microshell targets filled with DT gas are also summarized. These experiments are for targets intentionally operated in the portion of parameter space characteristic of exploding pusher events. Experiments have been performed over a yield range from 0 to 109 neutrons per event. It is shown how this data can be normalized with a simple scaling law.
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1978 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy written by and published by . This book was released on 1978 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).