1974
DOI: 10.1088/0029-5515/14/5/016
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Electron beam focusing and application to pulsed fusion

Abstract: This paper reviews recent work on the focusing of high-power relativistic electron beams in diodes and discusses concepts for pulsed fusion based on this technology. The physics of high-current relativistic electron beam focusing using plasmas in high-current diodes is studied experimentally and with computer simulation. The physics of the beam interaction with dense targets and the requirements for break-even are briefly discussed.

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Cited by 119 publications
(16 citation statements)
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“…In this example the initial volume 1^ is equal to the volume of a sphere with radius 0-1 cm. This numerical value is suggested by computer studies of an e-beam imploded hollow shell pellet by Yonas et al (1974). For this example one then obtains e opt ~ 135, which is a very flat ellipsoid and corresponds to a very flat cone.…”
Section: F Winterbergmentioning
confidence: 87%
“…In this example the initial volume 1^ is equal to the volume of a sphere with radius 0-1 cm. This numerical value is suggested by computer studies of an e-beam imploded hollow shell pellet by Yonas et al (1974). For this example one then obtains e opt ~ 135, which is a very flat ellipsoid and corresponds to a very flat cone.…”
Section: F Winterbergmentioning
confidence: 87%
“…It was shown that the parameters of the explosive emission plasma ͑time delay in the plasma generation with respect to the beginning of the accelerating pulse, plasma density and temperature, plasma uniformity, and expansion velocity͒ depend on the amplitude of the accelerating, its rise time, and the geometry of the cathode surface. [12][13][14][15] Using explosive emission plasma, electron beams with a current density up to 10 5 A / cm 2 were generated with pulse duration of several tens of nanosecond. However, in spite of simplicity of the explosive plasma generation under application of the accelerating pulse, there are several drawbacks which limit its application.…”
Section: High-current Electron Beam Generation In a Diode With A Multmentioning
confidence: 99%
“…Also shown in Table III is the relative surface-layer energy depo sition, which is simply the surface flux times the energy attenuation coefficient. Charged Particles 10 5 -10 6 1-10 T , S 10" 10 10" >' 10" 6 10" 11…”
Section: Effects Of Energy Deposition Time On Temperature and Stressmentioning
confidence: 99%
“…En ": 0.76 QEL (6) The neutron spectrum is shown in Figure 3 for a sR of about 3. The mean free path length of the 14-MeV neutrons in the pellet is…”
mentioning
confidence: 99%