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High Energy Kalpha Radiography Using High Intensity Short Pulse Lasers
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Book Synopsis High Energy K[alpha] Radiography Using High-intensity, Short-pulse Lasers by :
Download or read book High Energy K[alpha] Radiography Using High-intensity, Short-pulse Lasers written by and published by . This book was released on 2005 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have performed experiments using Callisto, the Vulcan 100 TW and the Vulcan Petawatt high intensity lasers to understand the characteristics of high energy, K[alpha] x-ray sources and to implement workable radiography solutions at 20-100 keV. Our measurements show that the K[alpha] size from a simple foil target is larger than 60 [mu]m, far larger than the experiment resolution requirement. The total K[alpha] yield is independent of target thicknesses verifying that refluxing plays a major role in photon generation. Smaller radiating volumes emit brighter K[alpha] radiation. 1-D radiography experiments using small-edge-on foils resolved 10 [mu]m features with high contrast. We tested a variety of small volume 2-D point sources such as cones, wires, and embedded wires, measuring photon yields and comparing our measurements with predictions from hybrid-PIC LSP simulations. In addition to high-energy, high-resolution backlighters, future experiments will also need imaging detectors and diagnostic tools that are workable in the 20-100 keV energy range. An initial look at some of these detector issues is also presented.
Book Synopsis High Energy X-Ray Source Generation by Short Pulse High Intensity Lasers by :
Download or read book High Energy X-Ray Source Generation by Short Pulse High Intensity Lasers written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We are studying the feasibility of utilizing K[alpha] x-ray sources in the range of 20 to 100 keV as a backlighters for imaging various stages of implosions and high areal density planar samples driven by the NIF laser facility. The hard x-ray K[alpha] sources are created by relativistic electron plasma interactions in the target material after a radiation by short pulse high intensity lasers. In order to understand K[alpha] source characteristics such as production efficiency and brightness as a function of laser parameters, we have performed experiments using the 10 J, 100 fs JanUSP laser. We utilized single-photon counting spectroscopy and x-ray imaging diagnostics to characterize the K[alpha] source. We find that the K[alpha] conversion efficiency from the laser energy at 22 keV is[approx] 3 x 10[sup -4].
Book Synopsis 20-100 KeV K[alpha] X-Ray Source Generation by Short Pulse High Intensity Lasers by :
Download or read book 20-100 KeV K[alpha] X-Ray Source Generation by Short Pulse High Intensity Lasers written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We are studying the feasibility of utilizing K[alpha] x-ray sources in the range of 20 to 100 keV as a backlighters for imaging various stages of implosions and high areal density planar samples driven by the NIF laser facility. The hard x-ray K[alpha] sources are created by relativistic electron plasma interactions in the target material after a radiation by short pulse high intensity lasers. In order to understand K[alpha] source characteristics such as production efficiency and brightness as a function of laser parameters, we have performed experiments using the 10 J, 100 fs JanUSP laser. We utilized single-photon counting spectroscopy and x-ray imaging diagnostics to characterize the K[alpha] source. We find that the K[alpha] conversion efficiency from the laser energy is ≈ 3 x 10−4.
Book Synopsis 12.6 KeV Kr K-alpha X-ray Source For High Energy Density Physics Experiments by :
Download or read book 12.6 KeV Kr K-alpha X-ray Source For High Energy Density Physics Experiments written by and published by . This book was released on 2008 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: A high contrast 12.6 keV Kr K[alpha] source has been demonstrated on the petawatt-class Titan laser facility. The contrast ratio (K[alpha] to continuum) is 65, with a competitive ultra short pulse laser to x-ray conversion efficiency of 10−5. Filtered shadowgraphy indicates that the Kr K[alpha] and K[beta] x-rays are emitted from a roughly 1 x 2 mm emission volume, making this source suitable for area backlighting and scattering. Spectral calculations indicate a typical bulk electron temperature of 50-70 eV (i.e. mean ionization state 13-16), based on the observed ratio of K[alpha] to K[beta]. Kr gas jets provide a debris-free high energy K[alpha] source for time-resolved diagnosis of dense matter.
Book Synopsis Plasma Scattering of Electromagnetic Radiation by : John Sheffield
Download or read book Plasma Scattering of Electromagnetic Radiation written by John Sheffield and published by Academic Press. This book was released on 2010-11-25 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents one of the most powerful methods of plasma diagnosis in exquisite detail, to guide researchers in the theory and measurement techniques of light scattering in plasmas. Light scattering in plasmas is essential in the research and development of fusion energy, environmental solutions, and electronics. Referred to as the "Bible" by researchers, the work encompasses fusion and industrial applications essential in plasma research. It is the only comprehensive resource specific to the plasma scattering technique. It provides a wide-range of experimental examples and discussion of their principles with worked examples to assist researchers in applying the theory. Computing techniques for solving basic equations helps researchers compare data to the actual experiment New material on advances on the experimental side, such as the application of high density plasmas of inertial fusion Worked out examples of the scattering technique for easier comprehension of theory
Book Synopsis Fast Ignition Experimental and Theoretical Studies by : Kramer Ugerthen Akli
Download or read book Fast Ignition Experimental and Theoretical Studies written by Kramer Ugerthen Akli and published by . This book was released on 2006 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-Energy-Density Physics by : R Paul Drake
Download or read book High-Energy-Density Physics written by R Paul Drake and published by Springer. This book was released on 2018-01-02 with total page 671 pages. Available in PDF, EPUB and Kindle. Book excerpt: The raw numbers of high-energy-density physics are amazing: shock waves at hundreds of km/s (approaching a million km per hour), temperatures of millions of degrees, and pressures that exceed 100 million atmospheres. This title surveys the production of high-energy-density conditions, the fundamental plasma and hydrodynamic models that can describe them and the problem of scaling from the laboratory to the cosmos. Connections to astrophysics are discussed throughout. The book is intended to support coursework in high-energy-density physics, to meet the needs of new researchers in this field, and also to serve as a useful reference on the fundamentals. Specifically the book has been designed to enable academics in physics, astrophysics, applied physics and engineering departments to provide in a single-course, an introduction to fluid mechanics and radiative transfer, with dramatic applications in the field of high-energy-density systems. This second edition includes pedagogic improvements to the presentation throughout and additional material on equations of state, heat waves, and ionization fronts, as well as problem sets accompanied by solutions.
Book Synopsis Titanium K-alpha X-ray Imaging Radiography of Imploding Microshells Using a Spherically Bent Crystal by : James Anthony King
Download or read book Titanium K-alpha X-ray Imaging Radiography of Imploding Microshells Using a Spherically Bent Crystal written by James Anthony King and published by . This book was released on 2006 with total page 364 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 1994 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Short Pulse Laser Interactions With Matter: An Introduction by : Paul Gibbon
Download or read book Short Pulse Laser Interactions With Matter: An Introduction written by Paul Gibbon and published by World Scientific. This book was released on 2005-09-05 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Characterization of Ti K-alpha Radiation Resulting from Interaction of a Highly Intense Laser Pulse with a Thin Titanium Foil by : J. A. King
Download or read book Characterization of Ti K-alpha Radiation Resulting from Interaction of a Highly Intense Laser Pulse with a Thin Titanium Foil written by J. A. King and published by . This book was released on 2005 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: A first demonstration has recently been made of radiography of implosions using a nonthermal K{alpha} radiation source generated with a high intensity picosecond laser pulse [1]. Absolute source brightness is important in assessing the potential of this diagnostic and we present here measurements and Monte-Carlo simulations of the brightness of the Ti K{alpha} back-lighter source. The experiment was conducted at the Vulcan laser within the Rutherford Appleton Laboratory (RAL) in the UK. A set of radiographs were taken in which a back-lighting source was produced using a 1 ps CPA beam. The beam delivered an average of 49J, within an 800 {micro}m by 400 {micro}m elliptical spot, onto a 25 {micro}m thick Ti foil (Figure 1). The first of two instruments used to characterize the K{alpha} source was a spherical Bragg crystal imager (Quartz 20{bar 2}3, 2d of 0.2749 nm, radius of curvature 38 cm, aperture 1.6 cm) used to spatially resolve the emission of the K{alpha} back-lighter [2]. The crystal focused the 4.5 keV K{alpha} photons with 10 mm spatial resolution and 7.9 x magnification onto a cooled, 16-bit, 1'' x 1'', 1024 x 1024 pixel CCD chip. The instrument observation angle was normal to the rear axis of the foil. The 2nd instrument was a single hit CCD spectrometer which was used to measure the absolute K{alpha} yield from the Ti target. The spectrometer consisted of a back-thinned CCD with 2048 x 2048 13.5 {micro}m square pixels and a filter (100 or 150 {micro}m Ti) that placed the chip in the single hit photon regime. The angle of observation was 41{sup o} from the rear surface normal of the Ti foil.
Book Synopsis Physics of Laser Driven Relativistic Plasmas, Energetic X-rays, Proton Beams and Relativistic Electron Transport in Petawatt Laser Experiments by : Richard Adolph Snavely
Download or read book Physics of Laser Driven Relativistic Plasmas, Energetic X-rays, Proton Beams and Relativistic Electron Transport in Petawatt Laser Experiments written by Richard Adolph Snavely and published by . This book was released on 2003 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Edward Teller Lectures by : Heinrich Hora
Download or read book Edward Teller Lectures written by Heinrich Hora and published by World Scientific Publishing Company. This book was released on 2016-08-10 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: How to achieve unlimited, safe, clean and low-cost energy by laser- or beam-driven inertial nuclear fusion has preoccupied all winners of the Edward Teller Medal since its inception in 1991. This book presents their findings, meeting discussions, and personal insights from Edward Teller himself. Expect discussion of important advances anticipated in the future such as multi-billion dollar fusion research projects (NIF), and new schemes such as the petawatt-picosecond laser-plasma interactions evoking new physics and coupling mechanisms. For the first time, laser technology of the new century is providing the very short and extremely intense energetic pulses needed for fusion energy from next generation power stations, which produce energy at cost several times lower than any other source. The long-sought dream to directly ignite frozen heavy hydrogen for controlled use is close to being realized. Years of research on plasmas and lasers carried out worldwide in highly sophisticated experiments is summarized. The coverage begins with the work of John Nuckolls and Nobel Laureate Nikolai Basov and leads to the new scheme of plasma block acceleration via the nonlinear ponderomotive force. Edward Teller Lectures is one of the first guides to these new developments.
Download or read book Fusión Nuclear written by and published by . This book was released on 2004-12 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the International Conference on Atomic, Molecular, Optical & Nano Physics with Applications by : Vinod Singh
Download or read book Proceedings of the International Conference on Atomic, Molecular, Optical & Nano Physics with Applications written by Vinod Singh and published by Springer Nature. This book was released on 2022-03-14 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the proceedings of the International Conference on Atomic, Molecular, Optical and Nano-Physics with Applications (CAMNP 2019), organized by the Department of Applied Physics, Delhi Technological University, New Delhi, India. It presents experimental and theoretical studies of atoms, ions, molecules and nanostructures both at the fundamental level and on the application side using advanced technology. It highlights how modern tools of high-field and ultra-fast physics are no longer merely used to observe nature but can be used to reshape and redirect atoms, molecules, particles or radiation. It brings together leading researchers and professionals on the field to present and discuss the latest finding in the following areas, but not limited to: Atomic and Molecular Structure, Collision Processes, Data Production and Applications Spectroscopy of Solar and Stellar Plasma Intense Field, Short Pulse Laser and Atto-Second Physics Laser Technology, Quantum Optics and applications Bose Einstein condensation Nanomaterials and Nanoscience Nanobiotechnolgy and Nanophotonics Nano and Micro-Electronics Computational Condensed Matter Physics
Book Synopsis Free Electron Lasers 2002 by : K.-J. Kim
Download or read book Free Electron Lasers 2002 written by K.-J. Kim and published by Newnes. This book was released on 2012-12-02 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings of the 24th International Free Electron Laser Conference and the 9th Free Electron Laser Users Workshop, which were held on September 9-13, 2002 at Argonne National Laboratory. Part I has been reprinted from Nucl. Instr. and Meth. A 507 (2003), Nos. 1-2.
Book Synopsis A High-energy, Ultrashort-pulse X-ray System for the Dynamic Study of Heavy, Dense Materials by : David Jeremy Gibson
Download or read book A High-energy, Ultrashort-pulse X-ray System for the Dynamic Study of Heavy, Dense Materials written by David Jeremy Gibson and published by . This book was released on 2004 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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