Article

Design of a Ka Band 35 kW CW Low-Voltage Harmonic Gyrotron

Journal of infrared, millimeter and terahertz waves (impact factor: 0.74). 04/2012; 31(1):41-47. DOI:10.1007/s10762-009-9563-x pp.41-47

ABSTRACT In this paper, a continuous wave (CW) low-voltage second harmonic gyrotron with the conventional cavity has been preliminarily
designed and evaluated with self-consistent nonlinear simulation code and the particle-in-cell code CHIPIC. The simulation
results of the two codes are shown to be in agreement basically. The 35kW CW output power of the designed harmonic gyrotron
driven by a 25kV 5.0A electron beam from a magnetron injection gun (MIG) is obtained. The maximum output power and the electronic
efficiency of the gyrotron is about 35kW and 30% respectively.

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Keywords

25kV 5.0A electron beam
 
35kW CW output power
 
continuous wave
 
designed harmonic gyrotron
 
magnetron injection gun
 
maximum output power
 
MIG
 
self-consistent nonlinear simulation code
 

Zhi-Hui Geng