Download or read book Elimination of Laser Prepulse by Relativistic Guiding in a Plasma written by and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method is proposed for eliminating prepulses associated with high power, ultrashort laser pulses. In this method the high power portion of the pulse is refractively guided due to relativistic effects associated with the plasma electrons. The low power prepulse, however, is unaffected by the plasma and diffracts away. Optical guiding is achieved by appropriately choosing the plasma density, laser power and wavelength. In addition, a wavebreaking stabilization mechanism for the Raman backscattering instability for intense laser pulses is proposed. This stabilization mechanism indicates that the intense laser pulse should not be significantly backscattered by the plasma. (jhd).

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Guiding of Relativistic Laser Pulses by Preformed Plasmachannels written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Guiding of relativistically intense (>1018 W/cm2) laser pulses over more than 10 diffraction lengths has been demonstrated using plasma channels formed by hydrodynamic shock. Pulses up to twice the self guiding threshold power were guided without aberration by tuning the guide profile. Transmitted spectra and mode images showed the pulse remained in the channel over the entire length. Experiments varying guided mode power and simulations show a large plasma wave was driven. Operating just below the trapping threshold produces a dark current free structure suitable for controlled injection.

Download or read book Novel Concepts for Laser plasma based Acceleration of Electrons Using Ultrahigh Power Laser Pulses written by Joon-Koo Kim and published by . This book was released on 1998 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1991 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Laser plasma Interactions Used for the Acceleration of Electrons written by Evan Stuart Dodd and published by . This book was released on 1999 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Physics Briefs written by and published by . This book was released on 1991 with total page 1328 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Laser Guiding at Relativistic Intensities and Wakefield Particle Acceleration in Plasma Channels written by C. B. Schroeder and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron beams with hundreds of picoCoulombs of charge in percent energy spread at above 80 MeV, and with few milliradian divergence, have been produced for the first time in a high gradient laser wakefield accelerator by guiding the drive laser pulse. Channels formed by hydrodynamic shock were used to guide acceleration relevant laser intensities of at least 1E18W/cm2 at the guide output over more than 10 Rayleigh lengths at LBNL's l'OASIS facility (10TW, 2E19W/cm2). The pondermotive force of the laser pulse drove an intense plasma wave, producing acceleration gradients on the order of 100 GV/m. Electrons were trapped from the background plasma and accelerated. By extending the acceleration length using the guiding channel, the energy of the electron beam was greatly increased, and bunches of small energy spread and low emittance were formed. Experiments varying gas jet length as well assimilations indicate that the high quality beams were formed when beam loading turned off injection after an initial load, producing an isolated bunch, and when that bunch was subsequently accelerated to the dephasing length at which point it rotated in phase space to produce low energy spread.

Download or read book Laser Driven Relativistic Plasmas Applied to Science Industry and Medicine written by Paul R. Bolton and published by . This book was released on 2009-08-04 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selected papers from the Second International Symposium on Laser-Driven Relativistic Plasmas Applied to Science, Industry and Medicine, which was held at the Kansai Photon Science Institute of the Japan Atomic Energy Agency--P. xii.

Download or read book Laser Guiding At 1018 W cm2 in Plasma Channels Formed by Theignitor Heater Method written by C. G. R. Geddes and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments explore guiding of intense laser pulses, optimization using channel formation beams and gas jet targets, and the interplay of channel guiding and relativistic self guiding. Impact on laser wakefield particle acceleration is being assessed.

Download or read book Laser plasma Interaction in Plasma Channel and Relativistic Particle Dynamics written by Xiaohu Li and published by . This book was released on 2001 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Annual Index written by and published by . This book was released on 1991 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Laser Driven Relativistic Plasmas Applied to Science Energy Industry and Medicine written by Sergei V. Bulanov and published by American Institute of Physics. This book was released on 2012-09-19 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the Symposium is to address studies of basic science problems associated with laser-plasma interactions, as well as industrial applications and applications to medical diagnostics and hadron therapy. We address special topics, related to the laser driven accelerators of charged particles and the laser driven coherent and incoherent x-ray sources with their applications. As it relates to basic research in quantum field physics and astrophysics, special attention will be paid to the generation of super intense electromagnetic waves and to super intense static magnetic fields in high power laser - matter interactions.

Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1977 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 958 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Laser Wakefield Acceleration and Relativistic Optical Guiding written by P. Sprangle and published by . This book was released on 1988 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: An electron acceleration method is investigated which employs a short (tau sub L about = 2 wp-1 about = 1 picosec), high power (P> or = 10 to the 15th power W), single frequency laser pulse to generate large amplitude (E> or = 17 (square of (omega/omega sub p) GW), relativistic optical during may be used to prevent the pulse from diffracting within the plasma. Keywords: Laser applications, Wakefield, Electron accelerator. (JHD).