Author: Hideo Hirose Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
A pulse train laser with low peak power can heat a dense plasma effectively and promote ionization of atoms up to higher stages such as lithium-like aluminum. This fact was proved by soft x-ray spectra. X-ray emission from laser produced plasma has been extensively studied for many years and now has found new promising application in variety of field, including, for example, various forms of x-ray spectroscopy, x-ray laser, as well as microscopy and lithography.
Author: I. C. E. Turcu Publisher: John Wiley & Sons ISBN: Category : Science Languages : en Pages : 348
Book Description
Soft X-rays have great potential for use in a wide variety of applications, including the semiconductor industry and the life sciences. X-Rays from Laser Plasmas: Generation and Applications focuses exclusively and in detail on the science and technology of soft X-rays produced with non-synchrotron sources. Using a minimum of mathematical formulae, it discusses how such X-rays can be efficiently and economically generated from plasmas produced by lasers, and how they interact with matter. Authored by Dr Edmond Turcu, one of the pioneers in this field, X-Rays from Laser Plasmas: Generation and Applications will be of great interest to a wide variety of readers, including all those working in X-ray lithography, microscopy, and radiobiology.
Author: Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
The volumetric heating of a thin copper target has been studied with time resolved x-ray spectroscopy. The copper target was heated from a plasma produced using the Lawrence Livermore National Laboratory's Compact Multipulse Terrawatt (COMET) laser. A variable spaced grating spectrometer coupled to an x-ray streak camera measured soft x-ray emission (800-1550 eV) from the back of the copper target to characterize the bulk heating of the target. Radiation hydrodynamic simulations were modeled in 2-dimensions using the HYDRA code. The target conditions calculated by HYDRA were post-processed with the atomic kinetics code CRETIN to generate synthetic emission spectra. A comparison between the experimental and simulated spectra indicates the presence of specific ionization states of copper and the corresponding electron temperatures and ion densities throughout the laser-heated copper target.
Author: H Takabe Publisher: World Scientific ISBN: 9814554162 Category : Languages : en Pages : 470
Book Description
The theory of operator algebras is generally considered over the field of complex numbers and in the complex Hilbert spaces. So it is a natural and interesting problem: How is the theory in the field of real numbers? Up to now, the theory of operator algebras over the field of real numbers has seemed not to be introduced systematically and sufficiently.The aim of this book is to set up the fundamentals of real operator algebras and to give a systematic discussion for real operator algebras. Since the treatment is from the beginning (real Banach and Hilbert spaces, real Banach algebras, real Banach ∗ algebras, real C∗-algebras and W∗-algebras, etc.), and some basic facts are given, one can get some results on real operator algebras easily.The book is also an introduction to real operator algebras, written in a self-contained manner. The reader needs just a general knowledge of Banach algebras and operator algebras.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
An experimental investigation of soft x-ray production resulting from the interaction of intense near infra-red laser radiation with gases is presented in this thesis. Specifically, soft x-ray generation through high order harmonic generation or exploiting intense inverse bremsstrahlung heating is examined. Most of these studies are conducted with femtosecond, terawatt class Cr:LiSrAlF[sub 6] (LiSAF) laser, though results derived from studies with other laser systems are presented as well. The majority of this work is devoted to experimental investigations, however, theoretical and computational models are developed to interpret the data. These studies are motivated by the possibility of utilizing the physics of intense laser/matter interactions as a potential compact source of bright x-rays. Consequently, the thrust of many of the experiments conducted is aimed at characterizing the x-rays produced for possible use in applications. In general, the studies of this manuscript fall into three categories. First, a unique 130 fs, 8 TW laser that is based on chirped pulse amplification, is described, and its performance is evaluated. The generation of x-rays through high order harmonics is then discussed with emphasis on characterizing and optimizing harmonic generation. Finally, the generation of strong, incoherent x-ray radiation by the intense irradiation of large (>1,000 atom) clusters in gas jets, is explored. The physics of laser energy absorption by clusters illuminated with intensities of 10[sup 15] to 10[sup 17] W/cm[sup 2] is considered in detail. X-ray spectroscopy of the hot plasmas that result from the irradiation of the clusters is conducted, and energy transport and kinetics issues in these plasmas are discussed.
Author: Ernst Fill Publisher: CRC Press ISBN: 9780854984152 Category : Technology & Engineering Languages : en Pages : 486
Book Description
X-Ray Lasers 1992 contains a total of 92 papers from many of the world's leading researchers in the rapidly developing field of x-ray lasers. The book accurately reflects trends in x-ray laser research, particularly in pump mechanisms other than collisional pumping. It also focuses on the realization of new ideas for generating inversions at x-ray transitions.
Author: Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
A 2400 line/mm variable spaced grating spectrometer (VSG) has been used to measure soft x-ray emission (8-22 Å) from laser-produced plasma experiments at Lawrence Livermore National Laboratory's Compact Multipulse Terrawatt (COMET) Laser Facility. The spectrometer was coupled to a Kentech x-ray streak camera to study the temporal evolution of soft x-rays emitted from the back of mylar and copper foils irradiated at 1015 W/cm2. The instrument demonstrated a resolving power of (almost equal to) 120 at 19 Å with a time resolution of 31 ps. The time-resolved copper emission spectrum was consistent with a photodiode monitoring the laser temporal pulse shape and indicated that the soft x-ray emission follows the laser heating of the target. The time and spectral resolution of this diagnostic make it useful for studies of high temperature plasmas.
Author: Hideo Hirose
Author: I. C. E. Turcu
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Author: H Takabe
Author: Philip H. Bucksbaum
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Author: Ernst Fill
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