Multispecies Ion Acceleration from Intense Laser Interactions with Thin Foils - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Multispecies Ion Acceleration from Intense Laser Interactions with Thin Foils write by Aodhan McIlvenny. This book was released on 2021. Multispecies Ion Acceleration from Intense Laser Interactions with Thin Foils available in PDF, EPUB and Kindle.
Relativistically Intense Laser–Microplasma Interactions
Relativistically Intense Laser–Microplasma Interactions - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Relativistically Intense Laser–Microplasma Interactions write by Tobias Ostermayr. This book was released on 2019-07-16. Relativistically Intense Laser–Microplasma Interactions available in PDF, EPUB and Kindle. This dissertation covers several important aspects of relativistically intense laser–microplasma interactions and some potential applications. A Paul-trap based target system was developed to provide fully isolated, well defined and well positioned micro-sphere-targets for experiments with focused peta-watt laser pulses. The laser interaction turned such targets into microplasmas, emitting proton beams with kinetic energies exceeding 10 MeV. The proton beam kinetic energy spectrum and spatial distribution were tuned by variation of the acceleration mechanism, reaching from broadly distributed spectra in relatively cold plasma expansions to spectra with relative energy spread as small as 20% in spherical multi-species Coulomb explosions and in directed acceleration processes. Numerical simulations and analytical calculations support these experimental findings and show how microplasmas may be used to engineer laser-driven proton sources. In a second effort, tungsten micro-needle-targets were used at a peta-watt laser to produce few-keV x-rays and 10-MeV-level proton beams simultaneously, both measured to have only few-μm effective source-size. This source was used to demonstrate single-shot simultaneous radiographic imaging with x-rays and protons of biological and technological samples. Finally, the dissertation discusses future perspectives and directions for laser–microplasma interactions including non-spherical target shapes, as well as thoughts on experimental techniques and advanced quantitative image evaluation for the laser driven radiography.
Applications of Laser-Driven Particle Acceleration
Applications of Laser-Driven Particle Acceleration - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Applications of Laser-Driven Particle Acceleration write by Paul Bolton. This book was released on 2018-06-04. Applications of Laser-Driven Particle Acceleration available in PDF, EPUB and Kindle. The first book of its kind to highlight the unique capabilities of laser-driven acceleration and its diverse potential, Applications of Laser-Driven Particle Acceleration presents the basic understanding of acceleration concepts and envisioned prospects for selected applications. As the main focus, this new book explores exciting and diverse application possibilities, with emphasis on those uniquely enabled by the laser driver that can also be meaningful and realistic for potential users. It also emphasises distinction, in the accelerator context, between laser-driven accelerated particle sources and the integrated laser-driven particle accelerator system (all-optical and hybrid versions). A key aim of the book is to inform multiple, interdisciplinary research communities of the new possibilities available and to inspire them to engage with laser-driven acceleration, further motivating and advancing this developing field. Material is presented in a thorough yet accessible manner, making it a valuable reference text for general scientific and engineering researchers who are not necessarily subject matter experts. Applications of Laser-Driven Particle Acceleration is edited by Professors Paul R. Bolton, Katia Parodi, and Jörg Schreiber from the Department of Medical Physics at the Ludwig-Maximilians-Universität München in München, Germany. Features: Reviews the current understanding and state-of-the-art capabilities of laser-driven particle acceleration and associated energetic photon and neutron generation Presents the intrinsically unique features of laser-driven acceleration and particle bunch yields Edited by internationally renowned researchers, with chapter contributions from global experts
Optimisation and Control of Ion Acceleration in Intense Laser-foil Interactions
Optimisation and Control of Ion Acceleration in Intense Laser-foil Interactions - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Optimisation and Control of Ion Acceleration in Intense Laser-foil Interactions write by Adam Higginson. This book was released on 2018. Optimisation and Control of Ion Acceleration in Intense Laser-foil Interactions available in PDF, EPUB and Kindle. The second investigation concerns the diagnosis of the highly transient electric field responsible for ion acceleration in the target normal sheath acceleration (TNSA) regime. High resolution, temporally-resolved measurements of the field evolution are obtained using proton deectometry.
Laser Ion Acceleration from the Interaction of Ultra-Intense Laser Pulse with Thi Foils
Laser Ion Acceleration from the Interaction of Ultra-Intense Laser Pulse with Thi Foils - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Laser Ion Acceleration from the Interaction of Ultra-Intense Laser Pulse with Thi Foils write by . This book was released on 2004. Laser Ion Acceleration from the Interaction of Ultra-Intense Laser Pulse with Thi Foils available in PDF, EPUB and Kindle. The discovery that ultra-intense laser pulses (I> 1018 W/cm2) can produce short pulse, high energy proton beams has renewed interest in the fundamental mechanisms that govern particle acceleration from laser-solid interactions. Experiments have shown that protons present as hydrocarbon contaminants on laser targets can be accelerated up to energies> 50 MeV. Different theoretical models that explain the observed results have been proposed. One model describes a front-surface acceleration mechanism based on the ponderomotive potential of the laser pulse. At high intensities (I> 1018 W/cm2), the quiver energy of an electron oscillating in the electric field of the laser pulse exceeds the electron rest mass, requiring the consideration of relativistic effects. The relativistically correct ponderomotive potential is given by Up = ([1 + I[lambda]2/1.3 x 1018]1/2 - 1) moc2, where I[lambda]2 is the irradiance in W[mu]m2/cm2 and moc2 is the electron rest mass. At laser irradiance of I[lambda]2 ~ 1018 W[mu]m2/cm2, the ponderomotive potential can be of order several MeV. A few recent experiments--discussed in Chapter 3 of this thesis--consider this ponderomotive potential sufficiently strong to accelerate protons from the front surface of the target to energies up to tens of MeV. Another model, known as Target Normal Sheath Acceleration (TNSA), describes the mechanism as an electrostatic sheath on the back surface of the laser target. According to the TNSA model, relativistic hot electrons created at the laser-solid interaction penetrate the foil where a few escape to infinity. The remaining hot electrons are retained by the target potential and establish an electrostatic sheath on the back surface of the target.
