Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1979-08-31
1981-06-09
Cangialosi, S. A.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
176 1, 250500, 219121EB, G21G 402, B23K 900, G21B 100
Patent
active
042723191
ABSTRACT:
A device and method for relativistic electron beam heating of a high density plasma in a small localized region. A relativistic electron beam generator produces a high voltage electron beam which propagates along a vacuum drift tube and is modulated to initiate electron bunching within the beam. The beam is then directed through a low density gas chamber which provides isolation between the vacuum modulator and the relativistic electron beam target. The relativistic beam is then applied to a high density target plasma which typically comprises DT, DD, hydrogen boron or similar thermonuclear gas at a density of 10.sup.17 to 10.sup.20 electrons per cubic centimeter. The target plasma is ionized prior to application of the electron beam by means of a laser or other preionization source. Utilizing a relativistic electron beam with an individual particle energy exceeding 3 MeV, classical scattering by relativistic electrons passing through isolation foils is negligible. As a result, relativistic streaming instabilities are initiated within the high density target plasma causing the relativistic electron beam to efficiently deposit its energy into a small localized region within the high density plasma target.
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Cangialosi S. A.
Cochran II William W.
Denny James E.
Gaetjens Paul D.
The United States of America as represented by the United States
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