Ion Source And Ion Accelerator Development At Los Alamos PDF Download
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| Release | : 1983 |
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Download Ion-source and Ion-accelerator Development at Los Alamos Book in PDF, ePub and Kindle
Intense, low-emittance ion beam generation and acceleration is a primary, continuing research and development activity in the Accelerator Technology Division of the Los Alamos National Laboratory, USA. The types and characteristics of ion source, extraction, and beam-transport systems that we have tested and some of the improvements made to the design and simulation tools for components of injector systems are described. Acceleration of low-velocity ions has been revolutionized by the radio-frequency quadrupole (RFQ) accelerator, introduced in the USSR, pioneered at Los Alamos in the USA, and now under intense development around the world. Recent experimental results and extensions of design capabilities at Los Alamos are discussed.
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| Release | : 1985 |
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Download Ion Source Development for the Los Alamos Heavy Ion Fusion Injector Book in PDF, ePub and Kindle
A multi-beam injector is being designed and built at Los Alamos for the US Heavy Ion Fusion Program. As part of this program, development of an aluminum-spark, pulsed plasma source is being carried out. Faraday cup diagnostics are used to study current emission and to map the current profile. An aluminum oxide scintillator with photographic film is used in conjunction with a pepper-pot to obtain time integrated emittance values.
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| Release | : 1983 |
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Download Development of a Multicusp H− Ion Source for Accelerator Applications Book in PDF, ePub and Kindle
The development of a multicusp surface-production H− ion source (Berkeley concept) designed specifically for accelerator use is described. The goal of this development effort has been to provide a suitable H− ion source for the Proton Storage Ring now being constructed at LAMPF. The ion source that has been developed is now capable of long-term operation at 20 mA of H− current at 10% duty factor and with normalized beam emittance of 0.13 cm-mrad (95% beam fraction). The development program will be described with particular emphasis on beam emittance measurements.
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| Release | : 1986 |
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Download Progress on the Los Alamos Heavy-ion Injector Book in PDF, ePub and Kindle
Heavy-ion fusion using an induction linac requires injection of multiple high-current beams from a pulsed electrostatic accelerator at as high a voltage as practical. Los Alamos National Laboratory is developing a 16-beam, 2-MeV, pulsed electrostatic accelerator for Al ions. The ion source will use a pulsed metal vapor arc plasma. A biased grid will control plasma flux into the ion extraction region. This source has achieved a normalized emittance of epsilon/sub n/
| Author | : Vadim Dudnikov |
| Publisher | : Springer Nature |
| Total Pages | : 346 |
| Release | : 2019-10-18 |
| Genre | : Science |
| ISBN | : 3030284379 |
Download Development and Applications of Negative Ion Sources Book in PDF, ePub and Kindle
This book describes the development of sources of negative ions and their application in science and industry. It describes the physical foundations and implementation of the key methods of negative ion production and control, such as charge exchange, thermionic emission, secondary emission (sputtering) and surface-plasma sources, as well as the history of their development. Following on from this essential foundational material, the book goes on to explore transport of negative ion beams, and beam-plasma instabilities. With exposition accessible at the graduate level, and a comprehensive bibliography, this book will appeal to all students and researchers whose work concerns ion sources and their applications to accelerators, beam physics, storage rings, cyclotrons, and plasma traps.
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| Total Pages | : 6 |
| Release | : 1998 |
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Download Ion Sources for Surface Treatments of Materials . Final Report on the Contract 0248U0016-35 Between the Los Alamos National Laboratory and the Institute of Electrophysics Book in PDF, ePub and Kindle
Treatment of materials by accelerated ions causes considerable changes in the microstructure and properties of the surface layer of these materials. Results of numerous laboratory studies show that ion beams are highly efficient in surface modification of materials. However, development and commercial use of ion beam technologies is hampered due to the lack of inexpensive, reliable and efficient ion sources. One of the promising directions in development of commercial ion sources is the use of cold-cathode discharges for producing ion emitting plasma. The main objectives of the contract works were as follows: (1) analyze discharge characteristics in the electrode system of the inverted magnetron type, parameter and emission properties of the discharge plasma, and formation of broad beams in an ion optics system; (2) create a laboratory prototype ion source, deliver the prototype ion source to Los Alamos, and perform joint experiments on ion beam surface modification of materials; (3) use results of the investigations and tests of the laboratory ion source as the basis for development of a commercial ion source with the beam up to 1,000 cm2 in cross-section area. Results of the research are summarized.
| Author | : Roderich Keller |
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| Total Pages | : 86 |
| Release | : 1985 |
| Genre | : Ion sources |
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Download Ion Sources for High-frequency Accelerators Book in PDF, ePub and Kindle
| Author | : Douglas P. Moehs |
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| Total Pages | : 5 |
| Release | : 2006 |
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Download Summary I - Accelerator Ion Sources, Fundamentals and Diagnostics Book in PDF, ePub and Kindle
The 11th International Symposium on the Production and Neutralization of Negative Ions and Beams was held in Santa Fe, New Mexico on September 12-15, 2006 and was hosted by Los Alamos National Laboratory. This summary covers the first three oral sessions of the symposium.
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| Release | : 1986 |
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Download Status of the Los Alamos Heavy Ion Injector Book in PDF, ePub and Kindle
Design of practical induction linacs for intense heavy ion beams requires injection of multiple beams from a pulsed electrostatic accelerator at as high a voltage as practicable. Los Alamos National Laboratory is developing a 16-beam, 2 MeV, pulsed electrostatic accelerator for Al ions in cooperation with the multiple beam ion induction linac development program at Lawrence Berkeley Laboratory. The ion source will be a pulsed metal vapor arc plasma. Individual sources will be used for each beam. A biased grid will control plasma flux into the ion extraction region. The beams will be accelerated by a series of electrodes with spacing and shape designed to control beam emittance and divergence. The accelerating column will be made of 85% purity aluminum oxide cylinders brazed to niobium high voltage feedthrough rings. The high voltage pulse will be generated by a 2-MV Marx generator with a special circuit designed to control voltage pulse flatness. The Marx generator and the accelerating column will be cantilevered from opposite ends of the containment vessel, which will be pressurized to 65 psig with a 30/60 mixture of SF6/N2. The ceramic column and an 800-kV Marx prototype have been built. The pressure vessel was finished in June 1986. High voltage testing of the column will begin late in 1986.
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| Release | : 1980 |
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Download Accelerator Development for Heavy Ion Fusion Book in PDF, ePub and Kindle
Accelerator technology development is presented for heavy ion drivers used in inertial confinement fusion. The program includes construction of low-velocity ''test bed'' accelerator facilities, development of analytical and experimental techniques to characterize ion beam behavior, and the study of ion beam energy deposition.
