Relativistic plasma microwave electronics: Studies of high-power plasma-filled backward-wave oscillators
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Date
1992-07Author
Carmel, Y.
Lou, W.
Antonsen, T. Jr
Rodgers, J.
Levush, B.
Destler, William
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Show full item recordAbstract
The area of relativistic plasma microwave electronics has only recently generated renewed
interest. New experimental data are presented demonstrating that the presence of a
low-density background plasma in a relativistic backward-wave oscillator leads to several
beneficial effects, including (a) enhanced interaction efficiency (40%), (b) operation at very
low and possibly zero guiding magnetic field, (c) tunability by controlling the plasma
density, (d) high degree of spectral coherency, and (e) operation well above the vacuum
limiting current.
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