Zobrazeno 1 - 10
of 12
pro vyhledávání: '"W. F. DiVergilio"'
Autor:
W. F. DiVergilio, R. W. Hamm, Ka-Ngo Leung, G. J. deVries, Wulf B. Kunkel, C. A. Hauck, M. D. Williams, D. S. McDonald
Publikováno v:
Review of Scientific Instruments. 62:100-104
An rf driven multicusp source capable of generating 1-ms H{sup -} beam pulses with a repetition rate as high as 150 Hz has been developed. This source can be operated with a filament or other types of starter. There is almost no lifetime limitation a
Publikováno v:
Leung, K.N.; DiVergilio, W.F.; Hauck, C.A.; Kunkel, W.B.; & McDonald, D.S.(1991). Optimization of an RF Driven H{sup-} Ion Source. Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. Retrieved from: http://www.escholarship.org/uc/item/3b60f56q
A radio-frequency (RF)-driven multicusp source has recently been developed to generate volume-produced H/sup -/ ion beams with extracted current density higher than 200 mA/cm/sup 2/. The output power of the RF generator and the insulation coating of
Autor:
Ka-Ngo Leung, W. F. DiVergilio, D. S. McDonald, Wulf B. Kunkel, D. A. Bachman, M. D. Williams
Publikováno v:
Review of Scientific Instruments. 63:2741-2743
The use of a rf‐induction discharge as a H− source is attractive for long life, pulsed, or cw operation. Recently, a new rf‐driven, magnetically filtered multicusp source has been developed at LBL to generate volume‐produced H− beams with e
Publikováno v:
AIP Conference Proceedings.
RF linear accelerators (LINACs) offer the highest beam energies and currents available to the high-energy segment of the ion-implantation industry. We are using the computer code PARMELA to simulate a variety of beam parameters. The simulations are u
Autor:
W. F. DiVergilio, M. C. Vella, R. V. Pyle, P. A. Pincosy, D. Kippenhan, K. W. Ehlers, V. V. Fosnight
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 3:1218-1221
The development of low frequency (1–2 MHz) rf plasma generators for high power neutral beam applications is summarized. Immersed couplers from one to three turns were used. Acceptable plasma profiles, ≤15% max/min, were obtained in a variety of f
Publikováno v:
Review of Scientific Instruments. 57:1254-1260
The techniques, operational aspects, and experimental results of a radio frequency induction plasma generator, with an internal rf power coupler, intended for intense neutral beam applications are described. One of the development sources suitable fo
Publikováno v:
American Journal of Physics. 42:169-171
The limitations of previous target plasmas and the requirements for improved target plasmas are discussed. Two distinctly different approaches were pursued successfully. The first approach represents a relatively minor modification of the discharge t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af5da6bdf4251c1282a45a4cbf135063
https://doi.org/10.2172/5610541
https://doi.org/10.2172/5610541
Autor:
W F Divergilio, J J Thomson
During the last year, we have carried out theoretical investigations of microwave-plasma interactions in support of both the UCLA program, and the TRW program. The UCLA program concentrated on experimental studies of Stimulated Brillouin Scattering (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::613d1a844197e8e487dba40383d4aed2
https://doi.org/10.2172/7060826
https://doi.org/10.2172/7060826
Publikováno v:
16th International Electric Propulsion Conference.