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Author: Melvin Eisner Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
Time resolved scattering spectra have been observed from a dense plasma focus (DPF) illuminated by a pulse of laser light. Scattering was observable from 10 nanoseconds prior to arrival of the collapse on axis and for an additional 50 nanoseconds. The frequency spectrum is markedly asymmetric about the laser frequency, a feature which is inconsistent with spectral expectations based on thermal particle distributions even if particle drifts or waves excitations are included. A model is postulated which attributes the asymmetry to lateral displacement of scattering region from the axis of the focus. Analysis based on this model yields radial collapse velocity, density, and ion temperatures. Noteworthy features are the absence of radial bounce, indication of axial jetting and the formation of an axial wake. (Author).
Author: Melvin Eisner Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
Time resolved scattering spectra have been observed from a dense plasma focus (DPF) illuminated by a pulse of laser light. Scattering was observable from 10 nanoseconds prior to arrival of the collapse on axis and for an additional 50 nanoseconds. The frequency spectrum is markedly asymmetric about the laser frequency, a feature which is inconsistent with spectral expectations based on thermal particle distributions even if particle drifts or waves excitations are included. A model is postulated which attributes the asymmetry to lateral displacement of scattering region from the axis of the focus. Analysis based on this model yields radial collapse velocity, density, and ion temperatures. Noteworthy features are the absence of radial bounce, indication of axial jetting and the formation of an axial wake. (Author).
Author: George Randall Neil Publisher: ISBN: Category : Dense plasma focus Languages : en Pages : 164
Book Description
This report describes investigations of the dense plasma focus designed to study turbulent processes. A CO2 laser collective scattering experiment with a high sensitivity was performed to measure the collective fluctuation spectrum. Scattering was observed from small, overdense regions and was correlated with micropinches seen in soft X-ray photographs. Bremsstrahlung was measured near the electron plasma frequency to determine a possible role for beam plasma instabilities. Only thermal bremsstrahlung levels were detected. (Author).
Author: National Research Council Publisher: National Academies Press ISBN: 030908637X Category : Science Languages : en Pages : 177
Book Description
Recent scientific and technical advances have made it possible to create matter in the laboratory under conditions relevant to astrophysical systems such as supernovae and black holes. These advances will also benefit inertial confinement fusion research and the nation's nuclear weapon's program. The report describes the major research facilities on which such high energy density conditions can be achieved and lists a number of key scientific questions about high energy density physics that can be addressed by this research. Several recommendations are presented that would facilitate the development of a comprehensive strategy for realizing these research opportunities.
Author: Dino A. Jaroszynski Publisher: CRC Press ISBN: 1584887796 Category : Science Languages : en Pages : 454
Book Description
A Solid Compendium of Advanced Diagnostic and Simulation ToolsExploring the most exciting and topical areas in this field, Laser-Plasma Interactions focuses on the interaction of intense laser radiation with plasma. After discussing the basic theory of the interaction of intense electromagnetic radiation fields with matter, the book covers three ap
Author: Melvin Eisner
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Author: 
Author: George Randall Neil
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Author: David James Temple Mayhall![Infrared Emission and 10.6 [Greek Letter Mu] M. Laser Scattering from the Dense Plasma Focus PDF](https://books.google.com/books/content/images/frontcover/oQ7AHAAACAAJ?fife=w80-h100)
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Author: National Research Council
Author: Dino A. Jaroszynski