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Proceedings Paper

Double-stream cyclotron maser
Author(s): George Bekefi
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Paper Abstract

The double stream cyclotron maser is a novel source of millimeter wavelength radiation in which two copropagating electron beams are caused to gyrate in a uniform axial magnetic field. The interaction of the slow cyclotron space charge wave on one beam with the fast cyclotron space charge wave on the other beam leads to high frequency bunching. The desired operating frequency is proportional to the electron cyclotron frequency (or a harmonic thereof) and inversely proportional to the difference in beam velocities, and can be achieved at low beam energies and axial magnetic fields. The linear instability growth rate is calculated from the fully relativistic Vlasov equation for the case of cold electron beams.

Paper Details

Date Published: 1 April 1992
PDF: 14 pages
Proc. SPIE 1629, Intense Microwave and Particle Beams III, (1 April 1992); doi: 10.1117/12.137114
Show Author Affiliations
George Bekefi, Massachusetts Institute of Technology (United States)

Published in SPIE Proceedings Vol. 1629:
Intense Microwave and Particle Beams III
Howard E. Brandt, Editor(s)

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