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Electronics and FluidicsElectrical and Electronic Equipment

Study of Gain in C-Band Deflection Cavities for a Frequency-Doubling Magnicon Amplifier

Authors: S. H. Gold; C. A. Sullivan; B. Hafizi; W. M. Manheimer; NAVAL RESEARCH LAB WASHINGTON DC
Abstract:
We report an experimental study of the gain between two half- wavelength, 5.7 GHz TM 110 pillbox cavities, separated by a quarter-wavelength drift space, and powered by a 170A, 500 keV electron beam immersed in an 8.1 kG magnetic field. These cavities constitute the first section of a planned multicavity detection system, whose purpose is to spin up an electron beam to high transverse momentum for injection into the output cavity of a frequency- doubling magnicon amplifier. We have observed a gain of approx. 15 dB in the preferred circular polarization, at a frequency shift of approximately -0.18%, and a gain of approx. 3 dB in the opposite circular polarization, at a frequency shift of approximately +0.06%. These results are in good agreement with theory. Magnicon, C-Band, Gyrocon, Amplifier.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Technical memo.
Pages: 20
Report Date: 26 MAR 93
Report Number: A231362
Keywords relating to this report:
*Amplifiers
*C BAND
*CAVITIES
*DETECTION
CIRCULAR
DEFLECTION
DRIFT
ELECTRON BEAMS
FREQUENCY
FREQUENCY SHIFT
GAIN
INJECTION
LINEAR ACCELERATORS
MAGNETIC FIELDS
MOMENTUM
OUTPUT
POLARIZATION
THEORY
TRANSVERSE
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