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Tuesday, April 21, 2020 | History

2 edition of X-Rays from Laser Plasmas found in the catalog.

X-Rays from Laser Plasmas

M. C. Richardson

X-Rays from Laser Plasmas

31st Annual Technical Symposium August 1987, San Diego, Vol 0831 (Proceedings of SPIE--the International Society for Optical Engineering)

by M. C. Richardson

  • 29 Want to read
  • 24 Currently reading

Published by Society of Photo Optical .
Written in English

    Subjects:
  • Laser plasmas,
  • X-ray lasers,
  • X-ray optics,
  • Congresses

  • The Physical Object
    FormatPaperback
    ID Numbers
    Open LibraryOL8231789M
    ISBN 100892528664
    ISBN 109780892528660

      This work dealt with the theoretical modeling and computation of photoionization, photoexcitation, radiative decay and radiative recombination processes for multielectron atoms and ions in plasmas. Such atomic processes lead to and influence lasing in x-ray lasers operating both in the soft and hard x ray regions. In view of X-ray Free Electron Laser (XFEL) intensity prospects, we reviewed the past and recent work in view of amplification of powerful XFEL laser pulse to achieve intensity in the regime of high field science. We report here some of the relevant work investigated in this field and predicted further scalings and possibilities for XFEL pulse by: 1. @article{osti_, title = {Application of soft x-ray laser interferometry to study large-scale-length, high-density plasmas}, author = {Wan, A S and Barbee, Jr, T W and Cauble, R}, abstractNote = {We have employed a Mach-Zehnder interferometer, using a Ne-like Y x- ray laser at {Angstrom} as the probe source, to study large-scale- length, high-density colliding plasmas .


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X-Rays from Laser Plasmas by M. C. Richardson Download PDF EPUB FB2

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 by: 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.

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 Cited by: 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.

Description The first in its field, this book is both an introduction to x-ray lasers and a how-to guide for specialists. It provides new entrants and others interested in the field with a comprehensive overview and describes useful examples of analysis and experiments as background and guidance for researchers undertaking new laser designs.

The brilliance of a laser-produced soft X-ray source is enhanced for gaseous target concepts. In contrast to solid or liquid target materials, these sources are clean and versatile but provide a comparably low conversion efficiency of laser energy into EUV and soft X-ray radiation. The basic idea is to induce supersonic effects in the gas jet, leading to a local increase of the particle Author: Tobias Mey.

Contents XI X-ray beamlines X-ray chamber construction Towards a Debris-Free Plasma X-Ray Source KrF laser breakdown in gases Cited by: We describe a laser-driven x-ray plasma source designed for ultrafast x-ray absorption spectroscopy.

The source is comprised of a 1 kHz, 20 W, femtosecond pulsed infrared laser and a water target. We present the x-ray spectra as a function of laser energy and pulse duration. Additionally, we investigate the plasma temperature and photon flux as we vary the laser by: between a laser plasma x-ray source and other problems in-volving interaction between laser radiation and matter1" involves searching for and studying conditions under which line emission plays the dominant role in the laser plasma energy balance.

From this it can be seen that the approxima-Cited by: 7. The X-ray laser is being used at LLNL as a tool for measuring the behaviors of hot dense plasmas.

In particular, we have used the Å Yttrium laser to study transient plasmas. Find helpful customer reviews and review ratings for X-Rays From Laser Plasmas: Generation and Applications at Read honest and unbiased product reviews from our users.5/5. X-ray free-electron laser studies of dense plasmas of our understanding of the properties of dense plasmas.

Isochoric heating on X-ray FELs Using intense X-rays to deposit energy in free-standing foils is an attractive route to creating solid-density plasmas, both because of its simplicity in terms of. Relativistic interaction of short-pulse lasers with underdense plasmas has recently led to the emergence of a novel generation of femtosecond x-ray sources.

Based on radiation from electrons accelerated in plasma, these sources have the common properties to be compact and to deliver collimated, incoherent and femtosecond radiation.

This book focuses on the physics of laser plasma interactions and presents a complementary and very useful numerical model of plasmas. It describes the linear theory of light wave propagation in plasmas, including linear mode conversion into plasma waves and collisional by: x-rays emission laser-plasma plume [].

For the time resolved analysis, a PIN photodiode is used with a filter []. Many working scientists have been investigating x-rays emission from laser induced metallic plasmas [].

This paper stresses on investigation on space and time resolved analysis of X-ray emission from laser produced plasma. A high-temperature plasma is created when an intense laser pulse is focused onto the surface of a solid.

An ultrafast pulse of x-ray radiation is emitted from such a plasma when the laser pulse length is less than a picosecond. A high-speed streak camera detector was used to determine the duration of these x-ray pulses, and computer simulations of the plasmas Cited by: x rays or gamma rays as short as a few femtoseconds, as they inherit the temporal profile of the laser-plasma electron bunch, whose few-femtosecond duration was recently experi-mentally demonstrated (Lundh et al., ).

The aim of this article is to review the novel x-ray sources based on relativistic laser and underdense plasma interaction. This book updates the status in this field and focuses on developments in laser plasma-based methods. The scheme of transient inversion proves its robustness by being dominant in the area of repetitive X-ray lasers pumped at grazing-incidence-geometry by optical lasers of moderate energy at increasing repetition rates – these characteristics.

The utility of powerful lasers in remote, physically inaccessible locations makes it a special tool for applications in hostile environments. Laser-induced plasma has been utilized for lateral and depth elemental analysis, thin-film deposition, X-ray production Cited by: 3.

This book contains the proceedings of the largest conference ever held on this subject. The strong interest in this field is largely due to the fact that both fundamental aspects of laser-surface interaction as well as applied techniques for thin film generation and patterning were treated in detail by experts from around the world.

At first glance it seems remarkable that eV laser photons can be used to produce X-rays of order 1 keV (high-harmonic generation; X-ray lasers), tens of keV (inverse-Compton sources; MJ-class laser-produced plasmas), MeV (PW-class laser-produced plasmas), and even GeV (laser-wake techniques).Cited by: The aim of this course on "Atom, Solids and Plasmas in Super-Intense Laser fields" was to bring together senior researchers and students in atomic and molecular physics, laser physics, condensed matter and plasma physics, in order to review recent developments in high-intensity laser-matter interactions.

Abstract. X-ray lasers can probe solid density plasmas as the critical density is well above the electron densities produced. We consider an experiment where interferometry has been utilized to provide phase information and transmission measurements for an extreme ultra-violet (EUV) laser beam at nm probing longitudinally through a laser irradiated plastic (parylene-N) Cited by: 1.

Interaction of Soft X-Rays with Matter: Wave Behaviour (lambda ~ 1 nm). Interaction of Soft X-rays with Matter: Particle Behavior (hv ~ 1 keV). Laser-Produced Plasmas. Excimer Lasers. X-RAY SOURCE CONSTRUCTION, PERFORMANCE AND APPLICATIONS. High Power KrF Lasers for X-Ray Generation.

High-Power Laser Plasma X-Ray Source. X-Ray Microscopy. Based on a graduate course in plasma physics taught at University of California, Davis, this new book provides a concise overview and a physically-motivated treatment of the major plasma processes which determine the interaction of intense light waves with plasmas.

It also includes a discussion of basic plasma concepts, plasma simulation using particle codes, and laser plasma. X ray emission, including x-ray lasing from laser-produced plasmas is reviewed. Particular emphasis is given to applications which study the physics of Cited by: 4. High‐resolution medical radiographs have been produced with a laser‐generated plasma x‐ray source.

The nanosecond pulse width is capable of arresting biological motion. In addition, the soft x rays from this source have been transmitted through a new type of x‐ray beam handling device, the x‐ray pipe, which is an x‐ray analogue of the conventional light by: Efficient picosecond x-ray pulse generation from plasmas in the radiation dominated regime REED HOLLINGER,1,6 CLAYTON BARGSTEN,1 VYACHESLAV N.

SHLYAPTSEV,1 VURAL KAYMAK,4 ALEXANDER PUKHOV,4 MARIA GABRIELA CAPELUTO,5 SHOUJUN WANG,1 ALEX ROCKWOOD,2 YONG WANG,1 AMANDA TOWNSEND,2 AMY PRIETO,3 PATRICK. Since the first demonstration of a soft-X-ray laser based on a laser plasma in 1, the development of a laser-driven coherent X Cited by: 1.

applications possible with x-ray lasers are not treated in any detail. The use of x-ray lasers to probe samples of interest for biology and laser fusion was demonstrated several years ago [25]. A recent example is the interferometric probing of long lengths of high density laser-plasma using a table-top x-ray laser [26].

Feature open The History of the X-ray Laser. Jeff Hecht. The long and curious history of the X-ray laser began in an effort to expand the frontier of knowledge and culminated in one of the wildest schemes ever pursued by the United States government—the “Star Wars” missile defense initiative in the s.

Get this from a library. X rays from laser plasmas: AugustSan Diego, California. [Martin C Richardson; Society of Photo-optical Instrumentation Engineers.; New Mexico State University. Applied Optics Laboratory.;]. An analytical framework is developed for laser beat-wave and wakefield excitation of plasma waves and subsequent acceleration of electrons.

The book covers parametric oscillator model and studies the coupling of laser light with collective by: 1. X-RAY LASER CHARACTERISTICS Wavelength: 7 to 24 nm Monochromaticity: dλ/λ ~ High instantaneous brightness:Photon number ~ /pulsePulse duration ~ 1 psDivergence ~ 25 mrad²Source size ~ mm² Temporal and spatial coherence High repetition-rate: up to 10 HzTRANSIENT COLLISONALLY EXCITED X-RAY LASERS Laser produced plasma based.

An X-ray laser is a device that uses stimulated emission to generate or amplify electromagnetic radiation in the near X-ray or extreme ultraviolet region of the spectrum, that is, usually on the order of several of tens of nanometers (nm) wavelength.

III. RESULTS. When the femtosecond laser pulse interacts with the water jet, a plasma is generated close to the water surface. 29 The electric field of the driving laser pulse accelerates electrons in the plasma and x-rays are generated when energetic electrons encounter the water jet.

The radiation consists mainly of a Bremsstrahlung continuum and Cited by: X-ray generation using a liquid droplet laser-plasma target, in Applications of laser plasma radiation II, eds. Richardson and G. Kyrala, Proc. SPIE88 (). Paper 3 M. Berglund, L. Rymell, and H. Hertz, Ultraviolet prepulse for enhanced X-ray emission and brightness from droplet-target laser plasmas, Appl.

Phys. Lett. X-rays are produced when laser-wakefield accelerated electrons oscillate in the transverse electrostatic field of the accelerating structure. The measured characteristics of these betatron x-rays follow scaling laws relating them to the electron energy, charge, plasma density, and other observables.

Here we report on the x-rays produced by electrons accelerated to Cited by: 2. Relativistic interaction of short-pulse lasers with underdense plasmas has recently led to the emergence of a novel generation of femtosecond x-ray sources.

Based on radiation from electrons accelerated in plasma, these sources have the common properties to be compact and to deliver collimated, incoherent and femtosecond radiation.

Project Excalibur was a Lawrence Livermore National Laboratory (LLNL) Cold War-era research program to develop an X-ray laser as a ballistic missile defense (BMD) for the United States.

The concept involved packing large numbers of expendable X-ray lasers around a nuclear the device detonated, the X-rays released by the bomb would be focused by the. Plasma science is the study of ionized states of matter.

This book discusses the field's potential contributions to society and recommends actions that would optimize those contributions. It includes an assessment of the field's scientific and technological status as well as a discussion. In the early s, the X-ray laser seemed to be out of reach as most lasers of the time peaked at nanometers, well short of the largest X-rays of 10 nanometers.

This was because of the amount of energy required to get the material stimulated was so high that it needed to be delivered in a quick firing pulse that further complicated the Reviews: 1.Title: Controlling the spectrum of x-rays generated in a laser-plasma accelerator by tailoring the laser wavefront By tailoring the wavefront of the laser pulse used in a laser-wakefield accelerator, we show that the properties of the x-rays produced due to the electron beam's betatron oscillations in the plasma can be controlled.