A Novel Compact Electron Spectrometer For Hot Electron Measurement In Pulsed Laser Solid Interaction
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A Novel Compact Electron Spectrometer For Hot Electron Measurement In Pulsed Laser Solid Interaction
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Author :
language : en
Publisher:
Release Date : 2002
A Novel Compact Electron Spectrometer For Hot Electron Measurement In Pulsed Laser Solid Interaction written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Ultra-intense laser-matter interactions provide a unique source of temporally short, broad spectrum electrons, which may be utilized in many varied applications. One such, which we are pursuing, is as part of a novel diagnostic to trace magnetic field lines in a magnetically-confined fusion device. An essential aspect of this scheme is to have a detailed characterization of the electron angular and energy distribution. To this effect we designed and constructed a compact electron spectrometer that uses permanent magnets for electron energy dispersion and over 100 scintillating fibers coupled to a 1024 x 1024 pixel CCD as the detection system. This spectrometer has electron energy coverage from 10 keV to 2 MeV. We tested the spectrometer on a high intensity (1017 to 1021 W/cm2) short pulse (
Hot Electron Measurement And Modeling For Short Pulse Laser Plasma Interactions
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Author : H. Chen
language : en
Publisher:
Release Date : 2003
Hot Electron Measurement And Modeling For Short Pulse Laser Plasma Interactions written by H. Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
We measured the hot electron production from short pulse laser plasma interactions using a fiber-array-based compact electron spectrometer that uses permanent magnets for electron energy dispersion and over 100 scintillating fibers coupled to a 1024 x 1024 pixel CCD as the detection system. This spectrometer has electron energy coverage from 10 keV to 60 MeV. The whole spectrometer is compact with dimensions of 8 inch x 7 inch x 4 inch. We performed systematic measurements of electron production on the ultra short pulse laser JanUSP (with pulse width less than 100 fs) at intensity range interest to Fast Ignition scheme from 10{sup 17} Wcm{sup -2} up to 10{sup 19} Wcm{sup -2} at Lawrence Livermore National laboratory. The electron distributions were obtained at various laser energies for different solid target materials and observation angles. We determined characteristic temperature of the escaped hot electrons at various incident laser intensity which is confirmed by theoretical simulations using the ZOHAL Particle-in-cell (PIC) code.
Implementation Of A Compact Magnetic Electron Energy Spectrometer For Intense Relativistic Electron Beams
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Author :
language : en
Publisher:
Release Date : 1993
Implementation Of A Compact Magnetic Electron Energy Spectrometer For Intense Relativistic Electron Beams written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
A diagnostic used for measuring the energy of 1 to 5 MEV pulsed electron beams by means independent of the beam generating device is investigated. The method employed is capable of collecting the required data optically in a single pulse. The beam energy is measured using a magnetic electron spectrometer coupled with a scintillating material. Using a polaroid camera to collect data, the energy of electron beams from two field emission diode accelerators is measured. The first is a nominal 1 MEV, 16 kA, 25 ns FWHM electron beam and the second is a nominal 5 MEV, 20 kA, 50 ns FWHM electron beam. A detailed study of measurement accuracy and possible sources of error was accomplished.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1989
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Aeronautics categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1989
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Aeronautics categories.
Laser Interactions With Atoms Solids And Plasmas
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Author : Richard M. More
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-21
Laser Interactions With Atoms Solids And Plasmas written by Richard M. More and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-21 with Technology & Engineering categories.
The aim of this NATO Advanced Study Institute was to bring together scientists and students working in the field of laser matter interactions in order to review and stimulate developmentoffundamental science with ultra-short pulse lasers. New techniques of pulse compression and colliding-pulse mode-locking have made possible the construction of lasers with pulse lengths in the femtosecond range. Such lasers are now in operation at several research laboratories in Europe and the United States. These laser facilities present a new and exciting research direction with both pure and applied science components. In this ASI the emphasis is on fundamental processes occurring in the interaction of short laser pulses with atoms, molecules, solids, and plasmas. In the case of laser-atom (molecule) interactions, high power lasers provide the first access to extreme high-intensity conditions above 10'8 Watts/em', a new frontier for nonlinear interaction of photons with atoms and molecules. New phenomena observed include multiphoton ionization processes, atomic collisions in the presence of a strong laser field, Coulomb explosion following rapid ionization of a molecule and the production of high harmonics of the laser source. Another important topic reviewed in this ASI is the lasercooling ofatoms.
Chemical Abstracts
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Author :
language : en
Publisher:
Release Date : 2002
Chemical Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Chemistry categories.
Short Pulse Laser Interactions With Matter An Introduction
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Author : Paul Gibbon
language : en
Publisher: World Scientific
Release Date : 2005-09-05
Short Pulse Laser Interactions With Matter An Introduction written by Paul Gibbon and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-05 with Science categories.
This book represents the first comprehensive treatment of the subject, covering the theoretical principles, present experimental status and important applications of short-pulse laser-matter interactions.Femtosecond lasers have undergone dramatic technological advances over the last fifteen years, generating a whole host of new research activities under the theme of “ultrafast science”. The focused light from these devices is so intense that ordinary matter is torn apart within a few laser cycles. This book takes a close-up look at the exotic physical phenomena which arise as a result of this new form of “light-matter” interaction, covering a diverse set of topics including multiphoton ionization, rapid heatwaves, fast particle generation and relativistic self-channeling. These processes are central to a number of exciting new applications in other fields, such as microholography, optical particle accelerators and photonuclear physics.Repository for numerical models described in Chapter 6 can be found at www.fz-juelich.de/zam/cams/plasma/SPLIM/./a
Reviews Of Plasma Physics
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Author : M. Leontovich
language : en
Publisher: Springer
Release Date : 1987-05-01
Reviews Of Plasma Physics written by M. Leontovich and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-05-01 with Science categories.
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1993
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Power resources categories.