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1992 9th International Conference on High-Power Particle Beams
Volume 1 • May-1992
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Paper index — Volume I
Year: 1992 | Volume: 1
Progress in lithium beam focusing and beam-target interaction experiments at Sandia National Laboratories
T. A. Mehlhorn;L. D. Bacon;J. E. Bailey;D. D. Bloomquist;G. A. Chandler;R. S. Coats;D. L. Cook;M. E. Cuneo;M. S. Derzon;M. P. Desjarlais;R. J. Dukart;A. B. Filuk;T. A. Haill;D. L. Hanson;D. J. Johnson;R. J. Leeper;T. R. Lockner;C. W. Mendel;L. P. Mix;A. R. Moats;J. P. Quintenz;T. D. Pointon;T. J. Renk;G. E. Rochau;S. E. Rosenthal;C. L. Ruiz;D. B. Seidel;S. A. Slutz;R. W. Stinnett;W. A. Stygar;G. C. Tisone;R. E. Olson;J. P. Van Devender;D. F. Wenger
Publication Year: 1992,Page(s):31 - 42
Significant progress in the generation and focusing of ion beams generated by PBFA-II has enabled us to begin experiments in ion beam coupling and target physics. Data from these experiments indicates that we can reproducibly deliver ∼50 KJ of 5 MeV protons at an average power intensity of 3.5 TW/cm2 to a 6 mm diameter by 6 mm tall cylindrical target. The implosion of spherical exploding pusher ta...Show More
Progress in lithium beam focusing and beam-target interaction experiments at Sandia National Laboratories
T. A. Mehlhorn;L. D. Bacon;J. E. Bailey;D. D. Bloomquist;G. A. Chandler;R. S. Coats;D. L. Cook;M. E. Cuneo;M. S. Derzon;M. P. Desjarlais;R. J. Dukart;A. B. Filuk;T. A. Haill;D. L. Hanson;D. J. Johnson;R. J. Leeper;T. R. Lockner;C. W. Mendel;L. P. Mix;A. R. Moats;J. P. Quintenz;T. D. Pointon;T. J. Renk;G. E. Rochau;S. E. Rosenthal;C. L. Ruiz;D. B. Seidel;S. A. Slutz;R. W. Stinnett;W. A. Stygar;G. C. Tisone;R. E. Olson;J. P. Van Devender;D. F. Wenger
Year: 1992 | Volume: 1
Extraction geometry ion diode physics: Theoretical modeling and experimental results
Publication Year: 1992,Page(s):43 - 50
The LION accelerator has been used to perform a series of experiments to investigate the operation of magnetically insulated extraction diodes. These diodes produce annular beam with an outer radius of 11.3 cm and an inner radius of 8.6 cm. The beam voltages were typically 1-1.25 MV with a 40 nsec ion beam current of approximately 250 KA 8. The diodes were normally operated at B/B* ≈ 1.5 and typic...Show More
Focussing properties of a strongly insulated applied Br-proton diode with a preformed anode plasma source
H. Bluhm;P. Hoppé;M. Althaus;H. Bachmann;W. Bauer;K. Baumung;L. Buth;H. U. Karow;H. Laqua;D. Rusch;E. Stein;O. Stoltz
Publication Year: 1992,Page(s):51 - 59
In the paper we describe a magnetically insulated proton diode in extraction geometry developed for the high voltage pulse generator KALIF which produces a 40 kJ proton beam pulse at a power level of greater than 0.65 TW. This is very close to the optimum for the parameters of KALIF and was reached through a high diode coupling efficiency (80%), a high ion production efficiency (90%), and a high b...Show More
Transport and focusing considerations for light ion ICF systems
Publication Year: 1992,Page(s):60 - 67
The Laboratory Microfusion Facility (LMF) has been proposed for the study of high-gain, high-yield ICF targets. A number of transport and focusing schemes are being considered for LMF. The schemes which have been studied most extensively include ballistic transport with solenoidal lens focusing, z-discharge channel transport and wire-guided transport. Transport efficiency ηt has been calculated as...Show More
Hydrodynamic target experiments with proton beams at KALIF: Diagnostics of the ablation pressure by laser Doppler interferometry; Generation of multi-Mbar pressures by ablative foil acceleration and impact
K. Baumung;H. U. Karow;V. Licht;D. Rusch;J. Singer;O. Stoltz;H. Bachmann;W. Bauer;H. Bluhm;L. Buth;B. Goel;M. F. Goez;H. Guth;P. Hoppé;H. Lotz;C. D. Munz;G. I. Kanel;A. L. Ni;A. Shutov;O. Yu. Vorobjev
Publication Year: 1992,Page(s):68 - 75
The hydrodynamic response of plane targets to the ablative pressure impulse induced by high-power proton beams has been investigated experimentally at the KALIF facility using time-resolved laser Doppler interferometry. With this KALIF-ORVIS diagnostics system, it has been possible to measure the complete wave form of the ablation pressure pulse, pabl(t) generated in aluminum at the boundary to th...Show More
Hydrodynamic target experiments with proton beams at KALIF: Diagnostics of the ablation pressure by laser Doppler interferometry; Generation of multi-Mbar pressures by ablative foil acceleration and impact
K. Baumung;H. U. Karow;V. Licht;D. Rusch;J. Singer;O. Stoltz;H. Bachmann;W. Bauer;H. Bluhm;L. Buth;B. Goel;M. F. Goez;H. Guth;P. Hoppé;H. Lotz;C. D. Munz;G. I. Kanel;A. L. Ni;A. Shutov;O. Yu. Vorobjev
Year: 1992 | Volume: 1
Multistage ion accelerator for inertial fusion energy
K. Imasaki;C. Yamanakad;S. Miyamoto;K. Yasuike;N. Shirai;S. Nakajp;T. Aoki;S. Kawata
Publication Year: 1992,Page(s):76 - 87
Recent results of two stage diode experiment are on Reiden-SHVS reviewed. Instability of the ion beam current and the stabilization, evidence of charge stripping and anomalous emittance reduction are discussed. The feasibility of this scheme for commercial reactor driver is briefly noted.Show More
Intense ion beam research at Los Alamos
D. J. Rej;R. R. Bartsch;H. A. Davis;R. J. Faehl;D. C. Gautier;J. B. Greenly;I. Henins;T. W. Linton;R. E. Muenchausen;W. J. Waganaar
Publication Year: 1992,Page(s):88 - 95
Two new interdisciplinary programs are underway at Los Alamos involving the physics and technology of intense light ion beams. In contrast to high-power ICF applications, the LANL effort concentrates on the development of relatively low-voltage (50 to 800 kV) and long-pulsewidth (0.1 to 1 μs) beams. The first program involves the 1.2 MV, 300-kJ Anaconda generator which has been fitted with an extr...Show More
Charged particle beam propagation studies at the Naval Research Laboratory
R. A. Meger;R. F. Hubbard;J. A. Antoniades;R. F. Fernster;M. Lampe;D. P. Murphy;M. C. Myers;R. E. Pechacek;T. A. Peyser;J. Santos;S. P. Slinker
Publication Year: 1992,Page(s):99 - 108
The Plasma Physics Division of the Naval Research Laboratory has been performing research into the propagation of high current electron beams for 20 years. Recent efforts have focused on the stabilization of the resistive hose instability. Experiments have utilized the SuperIBEX e-beam generator (5-MeV, 100-kA, 40-ns pulse) and a 2-m diameter, 5-m long propagation chamber. Full density air propaga...Show More
RADLAC II high current electron beam propagation experiment
C. A. Frost;S. L. Shope;M. G. Mazarakis;J. W. Poukey;J. S. Wagner;B. N. Turman;C. E. Crist;D. R. Welch;K. W. Struve
Publication Year: 1992,Page(s):109 - 118
The resistive hose instability of an electron beam was observed to be convective in recent RADLAC II experiments for higher current shots. The effects of air scattering for these shots were minimal. These experiments and theory suggest low-frequency hose motion which does not appear convective may be due to rapid expansion and subsequent drifting of the beam nose.Show More
Generation, control, and transport of a 19-MeV, 700-kA pulsed electron beam
T. W. L. Sanford;J. A. Halbleib;J. W. Poukey;D. R. Weicht;R. C. Mock;P. J. Skogmo;K. A. Mikkelson
Publication Year: 1992,Page(s):119 - 126
We show experimentally and theoretically that the generation of the 13-TW Hermes III electron beam can be accurately monitored, and that the beam can be accurately directed onto a high-Z target to produce a wide variety of bremsstrahlung patterns. This control allows the study of radiation effects induced by gamma rays to be extended into new parameter regimes. Finally, we show that the beam can b...Show More
Recent results on the GOL-3 device
A. V. Arzhannikov;A. V. Burdakov;V. V. Chikunov;A. F. Huber;A. V. Karyukin;V. A. Kapitonov;V. S. Koidan;S. V. Lebedev;K. I. Mekler;P. I. Melnikov;A. A. Nikiforov;V. S. Nikolaev;V. V. Postupaev;D. D. Ryutov;E. P. Semenov;S. L. Sinitskij;M. A. Shcheglov;S. G. Voropaev;M. V. Yushkov
Publication Year: 1992,Page(s):127 - 135
The review of activity on the GOL-3 program is presented. The first part of the results is concerned with the experiments on the uniform plasma heating by a 100 kJ E-beam. Heating of the bulk plasma electrons up to 1 keV at 1015 cm-3 density is achieved. The second group of experiments deals with so-called "two-stage" dense plasma heating. The 1016-1017 cm-3 hydrogen bunches of 0.5-3 m length are ...Show More
Recent results on the GOL-3 device
A. V. Arzhannikov;A. V. Burdakov;V. V. Chikunov;A. F. Huber;A. V. Karyukin;V. A. Kapitonov;V. S. Koidan;S. V. Lebedev;K. I. Mekler;P. I. Melnikov;A. A. Nikiforov;V. S. Nikolaev;V. V. Postupaev;D. D. Ryutov;E. P. Semenov;S. L. Sinitskij;M. A. Shcheglov;S. G. Voropaev;M. V. Yushkov
Year: 1992 | Volume: 1
Innovative bremsstrahlung research at Physics International company
Publication Year: 1992,Page(s):136 - 142
For bremsstrahlung diodes optimized for X-ray production below 2 MeV, the area-weighted mean dose in the near-field is controlled by the atomic number, Z, of the converter material, and the electrical power, P, into the diode, scaling approximately as ZP. However, given the constraints of a fixed electrical power pulse from a generator, one can still vary the end-point voltage of the bremsstrahlun...Show More
Spectroscopic studies of pulsed-power plasmas
Y. Maron;R. Arad;G. Dadusc;G. Davara;R. E. Duvall;V. Fisher;M. E. Foord;A. Fruchtman;L. Gregorian;Ya. Krasik;L. Perelmutter;M. Sarfaty;E. Sarid;S. Shkolnikova;R. Shpitalnik;L. Troyansky;A. Weingarten;R. E. H. Clark;A. Fisher;C. Litwin
Publication Year: 1992,Page(s):143 - 155
Recently developed spectroscopic diagnostic techniques are used to investigate the plasma behaviour in a Magnetically Insulated Ion Diode, a Plasma Opening Switch, and a gas-puffed Z-pinch. Measurements with relatively high spectral, temporal, and spatial resolutions are performed. The particle velocity and density distributions within a few tens of microns from the dielectric-anode surface are ob...Show More
Spectroscopic studies of pulsed-power plasmas
Y. Maron;R. Arad;G. Dadusc;G. Davara;R. E. Duvall;V. Fisher;M. E. Foord;A. Fruchtman;L. Gregorian;Ya. Krasik;L. Perelmutter;M. Sarfaty;E. Sarid;S. Shkolnikova;R. Shpitalnik;L. Troyansky;A. Weingarten;R. E. H. Clark;A. Fisher;C. Litwin
Year: 1992 | Volume: 1
A review of Z-pinch research at Physics International
C. Deeney;P. D. LePell;T. Nash;B. Failor;S. L. Wong;R. R. Prasad;M. Krishnant;K. G. Whitney;W. Thornhill;F. L. Cochran;M. C. Coulter;J. Giuliani;J. P. Apruzese;F. C. Young;D. Hinshelwood;J. D. Sethian
Publication Year: 1992,Page(s):159 - 166
Cited by: Papers (1)
Z-pinch implosions have been studied on the Double-EAGLE generator to optimize x-ray yields, to understand basic Z-pinch phenomena, to compare experiments to numerical calculations, and to demonstrate the sodium-neon x-ray laser scheme.Show More
Radiative Z-pinch coupling to an inductive generator
J. L. Giuliani;M. Mulbrandon;R. Terry;P. Ottinger;R. Commisso;C. Deeney;P. D. LePell
Publication Year: 1992,Page(s):167 - 174
The utility of inductive generators and existing results from Z-pinch experiments using a plasma opening switch (POS) are reviewed. The research then focuses on a systems study of the power flow coupling between a particular inductive generator with a POS and an imploding Z-pinch load. An end-to-end numerical simulation model for the generator, switch, and dynamic load is used to predict the K-she...Show More
The Los Alamos foil implosion project
J. Brownell;J. Parker;R. Bartsch;J. Benage;R. Bowers;J. Cochrane;P. Forman;J. Goforth;A. Greene;H. Kruse;J. Ladish;H. Oona;D. Peterson;R. Reinovsky;N. Roderick;J. Trainor;P. Turchi
Publication Year: 1992,Page(s):175 - 182
Cited by: Papers (1)
The goal of the Los Alamos foil implosion project is to produce an intense (>;100 TW), multimegajoule, laboratory soft x-ray source for material studies and fusion experiments. The concept involves the implosion of annular, current-carrying, cylindrical metallic plasmas via their self-magnetic forces. The project features inductive storage systems using both capacitor banks and high explosive-driv...Show More
Gyroklystron research for application to TeV linear colliders
W. Lawson;V. L. Granatstein;B. Hogan;U. V. Koc;P. E. Latham;W. Main;H. W. Matthews;G. Nusinovich;M. Reiser;C. D. Striffler;S. Tantawi
Publication Year: 1992,Page(s):185 - 194
X-Band and K-Band gyroklystrons are being evaluated for possible application to future linear colliders. So far we have examined ten different two-and three-cavity configurations. We have achieved a maximum peak power of 27 MW in ~ 1 μs pulses at a gain of 37 dB and an efficiency exceeding 32%. The nominal parameters include a 430 kV, 150-200 A beam with an average perpendicular to parallel veloci...Show More
Nanosecond radar system based on repetitive pulsed relativista BWO
B. V. Bunkin;A. V. Gaponov-Grekhov;A. S. Eltchaninov;F. Ya. Zagulov;S. D. Korovin;G. A. Mesyats;M. L. Osipov;E. A. Otlivantchik;M. I. Petelin;A. M. Prokhorov;V. V. Rostov;A. P. Saraev;I. P. Sisakyan;A. V. Smorgonsky;V. A. Suvorov
Publication Year: 1992,Page(s):195 - 202
Cited by: Papers (1)
The paper presents the results of studies of a nanosecond radar system based on repetitive pulsed relativistic BWO. A pulsed power repetitive accelerator producing electron beams of electron energy 500-700 keV and current 5 kA in pulses of duration 10 ns with a repetition rate of 100 pps is described. The results of experiments with a high-voltage gas-filled spark gap and a cold-cathode vacuum dio...Show More
Nanosecond radar system based on repetitive pulsed relativista BWO
B. V. Bunkin;A. V. Gaponov-Grekhov;A. S. Eltchaninov;F. Ya. Zagulov;S. D. Korovin;G. A. Mesyats;M. L. Osipov;E. A. Otlivantchik;M. I. Petelin;A. M. Prokhorov;V. V. Rostov;A. P. Saraev;I. P. Sisakyan;A. V. Smorgonsky;V. A. Suvorov
Year: 1992 | Volume: 1
High power microwave generation at high repetition rates
N. Aiello;J. Benford;N. Cooksey;B. Harteneck;J. Levine;D. Price;R. Smith;D. Sprehn;M. Willey
Publication Year: 1992,Page(s):203 - 210
Cited by: Papers (2)
Generation of microwaves at high power has progressed largely with single shot devices. Yet applications require repetitive operation at substantial repetition rates, implying high average power. This requires operation in a new domain for microwave devices. The technical challenge is to achieve very high electric fields in the source on a repetitive basis. We describe experiments on CLIA, a Compa...Show More
The general physical processes in Multi-wave Cerencov Generator are considered. The feature of beam-field interaction, field structure and "electron" mode forming are discussed.Show More
Vircator as high-power microwave source has recently become an intensive area of research. It is the device in which own beams fields dominate. Iriod with reflex cathode investigated by H. Barkhausen and K. Kurz has been considered as low current analog of vircator. It is shown that such analogy is not correct, but parametric amplifier which based on triod with reflex cathode is real analog of vir...Show More
The experimental and theoretical development of a one Gigawatt, repetitively pulsed, one microsecond pulse length, high current relativistic klystron and modulator
M. V. Fazio;B. E. Carlsten;R. J. Faehl;W. B. Haynes;R. P. Hoeberling;T. J. T. Kwan;D. G. Rickel;R. M. Stringfield;F. W. Van Haaften;R. J. F. Wasierski;A. Erickson;K. Rust
Publication Year: 1992,Page(s):227 - 236
Cited by: Papers (1)
A research effort is underway with the goal of obtaining an energy of one kilojoule per pulse, with a 5 Hz pulse repetition frequency, from a high current relativistic klystron amplifier (RKA). The pulse length is one microsecond (1 GW peak power) with a microwave frequency of 1.3 GHz. This paper focuses on three areas: the theory, modeling, and experimental development of the microwave tube; the ...Show More
The experimental and theoretical development of a one Gigawatt, repetitively pulsed, one microsecond pulse length, high current relativistic klystron and modulator
M. V. Fazio;B. E. Carlsten;R. J. Faehl;W. B. Haynes;R. P. Hoeberling;T. J. T. Kwan;D. G. Rickel;R. M. Stringfield;F. W. Van Haaften;R. J. F. Wasierski;A. Erickson;K. Rust
Year: 1992 | Volume: 1
By carefully extending the technology, the peak power of the klystrons can be higher than the usual 50 to 60 MW. Moreover, thanks to the present development of the pulse compressors, peak power is also increased toward the range of 200 to 300 MW. The gate effect klystron seems to be one of the best candidate for GW pulses. These tubes use low impedance - 20 to 100 Ω - intense annular electron beam...Show More
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