Efficient, 100-160 MW, X- and Ku-band gyroklystron amplifier designs for linear colliders

Summary form only given. Efficient, 100-160 MW, X- and Ku-band microwave sources with pulse-lengths of 1 /spl mu/s are being developed for driving future linear colliders. Two-cavity and three-cavity, co-axial designs of relativistic gyroklystron amplifiers are presented which fulfill these requirem...

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Bibliographic Details
Main Authors: Saraph, G.P., Lawson, W., Anderson, J.P., Castle, M., Granatstein, V.L.
Format: Conference Proceeding
Language:English
Subjects:
CAVITY RESONATORS
COMPUTERIZED SIMULATION
Cyclotrons
DESIGN
Dielectric losses
Klystrons
LINEAR COLLIDERS
Magnetic fields
MICROWAVE AMPLIFIERS
PARTICLE ACCELERATORS
Plasma simulation
Plasma sources
POWER RANGE 100-1000 MW
Pulse amplifiers
Q factor
Scattering parameters
Stability
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Summary:Summary form only given. Efficient, 100-160 MW, X- and Ku-band microwave sources with pulse-lengths of 1 /spl mu/s are being developed for driving future linear colliders. Two-cavity and three-cavity, co-axial designs of relativistic gyroklystron amplifiers are presented which fulfill these requirements. Simulations are carried out using the existing set of codes which includes a scattering matrix code for cold-cavity fields, a linear start-oscillation code for stability, and a nonlinear gyroklystron code for optimizing parameters to get maximum efficiency and gain. The cavities are designed to have high mode purity, good inter-cavity isolation, and stability to the excitation of the spurious modes. The quality factors of the cavities, the lengths of the drift sections, and the magnetic field profile are optimized for each design. During this study, the effect of velocity spread in the beam on the efficiency of the device is taken into account. In addition, HFSS code is used to study the effect of dielectric loading and power losses in the cavity.
ISSN:0730-9244
2576-7208
DOI:10.1109/PLASMA.1996.551515