Proceedings ArticleDOI
Very high pulse-energy accelerators
J.J. Ramirez
- pp 1446-1450
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TLDR
The Hermes III as discussed by the authors was designed to drive a 22-MV, 730-kA, 40-ns electron beam diode and combines conventional, modular pulsed power technology with linear induction acceleration concepts.Abstract:
The design and performance of the Hermes III are presented and the application of this technology to the light ion beam inertial confinement fusion program is discussed. Hermes III represents a new approach to efficiently generating higher voltages. It is designed to drive a 22-MV, 730-kA, 40-ns electron beam diode and combines conventional, modular pulsed power technology with linear induction acceleration concepts. High-power induction accelerator cavities are combined with voltage addition along a MITL (magnetically insulated transmission line) to generate the desired output. This design differs from a conventional linac in that the voltages are added by the MITL flow rather than by a drifting beam that gains kinetic energy at each stage. The design is a major extrapolation of previous state-of-the-art technology represented by the injector module of the Advanced Test Accelerator and has proven to be efficient and reliable. A key issue for ion beam applications relates to the efficiency of coupling power from the high-voltage MITL to an extraction ion diode. A conceptual design of a light ion beam driver for the LMF (Lase Microfusion Facility) has been developed. >read more
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Journal ArticleDOI
The X-1 Z-pinch driver
TL;DR: X-1 as mentioned in this paper is a program initiative to develop the next-generation laboratory X-ray source using fast Z-pinch drivers, which will provide unique applications utility to high-energy density physics, inertial confinement fusion, and radiation effects simulation research.
Journal ArticleDOI
Dose-rate field of the HERMES III flash X-ray source
TL;DR: It is shown that operation with a 53-cm gap permits both the primary and secondary goals of HERMES III to be achieved, and the model predictions of radiation-pulse shape and width in the intense near-field and far-field regions are in excellent agreement with the measurements.
Journal ArticleDOI
Experimental verification of bremsstrahlung production and dosimetry predictions for 15.5 MeV electrons
TL;DR: In this paper, the authors used the ITS Monte Carlo code and measurements with equilibrated and nonequilibrate TLD dosimetry to characterize the radiation produced by a 15.5-MeV monoenergetic electron beam incident on optimized and nonoptimized bremsstrahlung targets.
Proceedings ArticleDOI
The Jupiter program
TL;DR: Jupiter as mentioned in this paper is a Sandia National Laboratories initiative to develop the next generation of fast Z-pinch drivers for applications to high energy density physics, inertial confinement fusion, and radiation effects simulation.
Journal ArticleDOI
Production and measurement of flash X-ray dose rates in excess of 10/sup 13/ RAD (CaF/sub 2/)/s
TL;DR: In this paper, the radiation field from an intense reusable source of flash X-rays that delivers a measured peak dose and dose rate of 370+or-60 krad (CaF/sub 2/) and (3.5 +or-0.7)*10/sup 13/ rad over a useful area of 80 cm/sup 2/ is characterized.
References
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Proceedings Article
Saturn, a large area x-ray simulation accelerator*
D.D. Bloomquist,Regan W. Stinnett,Dillon H. McDaniel,J.R. Lee,A.W. Sharpe,John A. Halbleib,L. G. Schlitt,P. Spence,P. Corcoran +8 more
TL;DR: Saturn as discussed by the authors is the result of a major metamorphosis of the Particle Beam Fusion Accelerator-I (PBFA-I) from an ICF research facility to the large-area x-ray source of the Simulation Technology Laboratory (STL) project.
Journal ArticleDOI
Design and Performance of the Sandia Laboratories Hermes II Flash X-Ray Generator
TL;DR: The Sandia Laboratories Hermes II has produced a 170 kA beam of electrons at energies of 12 million volts for times of 100 ns as mentioned in this paper, which is the state-of-the-art performance.
PBFA II: a 100 TW pulsed power driver for the inertial confinement fusion program
B N Turman,T. H. Martin,E.L. Neau,D. R. Humphreys,D. D. Bloomquist,D.L. Cook,Shyke A. Goldstein,L. X. Schneider,D. H. McDaniel,J M Wilson +9 more
TL;DR: The 100 TW Particle Beam Fusion Accelerator (PBFA II) is well into the procurement and assembly phases, with the first shot scheduled for January 1986 as discussed by the authors, and several major sub-assemblies are underway.
Self-Magnetically Insulated Transmission Line (MITL) System Design for the 20-Stage Hermes-III Accelerator
R C Pate,J C Patterson,M C Dowdican,J J Ramirez,D.E. Hasti,K M Tolk,J W Poukey,L X Schneider,S.E. Rosenthal,T W L Sanford +9 more
TL;DR: The Hermes-III MITL as mentioned in this paper is a coaxial waveguide structure that is divided into two functional regions: 1) a 12.8m long voltage adder section, and 2) a 4.6m long isolator/extension section.
Proceedings Article
A high-voltage multistage laser-triggered gas switch
G.J. Denison,J.P. Corley,D.L. Johnson,G.J. Weber,R.A. Hamil,G.W. Crowder,J.A. Alexander,D.A. Petmecky,L.P. Schanwald,J.J. Ramirez +9 more
TL;DR: In this paper, the authors describe the development and testing of an SF/sub 6/-insulated, multistage laser-triggered gas switch for use in the Hermes-III accelerator at Sandia National Laboratories.