Zobrazeno 1 - 10
of 57
pro vyhledávání: '"E.J. Lauer"'
Autor:
E.J. Lauer, Carl J. Lauer
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 24:1295-1299
We present an improved numerical model for anode initiated electron avalanche breakdown of a dielectric-vacuum interface. An initiating event occurs in the high field region near the anode triple junction to start the first avalanche. The first avala
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 23:58-60
We propose a modification of a vacuum-insulator-electrode geometry that is commonly found in particle accelerators to reduce the electric field near the anode triple junction and reduce dielectric flashover.
Autor:
E.J. Lauer, George J Caporaso, C. Holmes, D. Prosnitz, S.E. Sampayan, D. O. Trimble, G.A. Westenskow
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 340:90-95
We have recently initiated an investigation of electron emission from ferroelectric cathodes. Our experimental apparatus consisted of an electron diode and a 250 kV, 12 Ω, 70 ns pulsed high voltage power source. A planar triode modulator driven by a
Autor:
G.E. Vogtlin, D.A. Goerz, E.J. Lauer, J. B. Javedani, L.K. Tully, Timothy L. Houck, R.D. Speer
Publikováno v:
2007 16th IEEE International Pulsed Power Conference.
High voltage insulation is one of the main areas of pulsed power research and development since the surface of an insulator exposed to vacuum can fail electrically at an applied field more than an order or magnitude below the bulk dielectric strength
Autor:
T L Houck, R D Speer, J B Javedani, D A Goerz, L. K. Tully, A. D. White, G E Vogtlin, E.J. Lauer
High voltage insulation is one of the main areas of pulsed power research and development, and dielectric breakdown is usually the limiting factor in attaining the highest possible performance in pulsed power devices. For many applications the delive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c01640533002ab1df90613061d07d67
https://doi.org/10.2172/902244
https://doi.org/10.2172/902244
Autor:
S.E. Sampayan, C. Holmes, G.A. Westens, E.J. Lauer, George J Caporaso, D. Prosnitz, D. O. Trimble
Publikováno v:
Ninth IEEE International Pulsed Power Conference.
We have recently initiated an investigation of electron emission from ferroelectric cathodes. Our experimental apparatus consisted of an electron diode and a 250 kV, 12 ohm, 70 ns pulsed high voltage power source. A planar triode modulator driven by
Autor:
J. Elizondo, B. Rosenblum, C. Holmes, J. Fockler, C. Eichenberger, Y.-J. Chen, M. Krogh, B. Carder, E.J. Lauer, George J Caporaso, S.E. Sampayan, D. Trimble
Publikováno v:
Proceedings Particle Accelerator Conference.
Insulators composed of finely spaced alternating layers of dielectric and metal are thought to minimize secondary emission avalanche (SEA) growth. Most data to date was taken with small samples (order 10 cm/sup 2/ area) in the absence of an ion or el
Autor:
M. Heino, E.J. Lauer, Y.-J. Chen, D. Sanders, George J. Caporaso, Timothy L. Houck, S.E. Sampayan, P. A. Pincosy, F.C. Chambers, R. Buckles, J.T. Weir, Gary Guethlein, R. Richardson, R. Neurath, Darwin Ho, J. McCarrick, F. Goldin, S. Falabella
Publikováno v:
PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268).
As part of the Dual Axis Radiography Hydrotest Facility, Phase II (DARHT II) Multipulse Bremsstrahlung Target effort, we have been performing an investigation of (1) the possible adverse effects of backstreaming ion emission from the bremsstrahlung c
Autor:
R. Richardson, J.T. Weir, S. Falabella, Y.-J. Chen, George J Caporaso, Gary Guethlein, E.J. Lauer, F.W. Chambers, S.E. Sampayan, J. McCarrick
The DARHT accelerator will deliver several intense relativistic electron beam pulses to an x-ray conversion target during a few microseconds. Plasma from the target can cause a partial neutralization of the vacuum self-Er field resulting in an unacce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3ab824926c936c122433ef1fd3e6963
https://doi.org/10.2172/15002787
https://doi.org/10.2172/15002787
Autor:
F.W. Chambers, George J. Caporaso, S. Falabella, S.E. Sampayan, J.T. Weir, R. Richardson, E.J. Lauer, Gary Guethlein, Yu-Jiuan Chen, J. McCarrick
Publikováno v:
AIP Conference Proceedings.
Ions extracted from a solid surface or plasma by impact of an high intensity and high current electron beam can partially neutralize the beam space charge and change the focusing system. We have investigated ion emission computationally and experimen