Relativistic backward wave oscillators: Theory and experiment
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Date
1991Author
Levush, B.
Antonsen, T. Jr
Bromborsky, A.
Lou, W.
Abe, D.
Miller, S.
Carmel, Y.
Rodgers, J.
Granatstein, V.
Destler, William
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Show full item recordAbstract
Microwave sources based on backward-wave oscillators
with relativistic electron beams are capable of producing
high power coherent radiation in the cm and mm wavelength
regime. Although there have been a number of experiments
reported over the last decade on this topic, there
are only a few publications providing a theoretical description of these devices. Thus, there is a need for theoretical
models which can be compared in detail with the experimental
data. This work is devoted to fill this need. The
linear and nonlinear theory of backward-wave oscillators is
developed taking into account reflection of the electromagnetic
wave at the boundaries of the slow wave structure.
The effects of finite duration and rise time of the electron
beam pulse on device operation are discussed.
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