Title :
The design of a 390 GHz gyrotron based on a cusp electron gun
Author :
Li, F. ; He, V. ; Phelps, A.D.R. ; Cross, A.W. ; Donaldson, C.R. ; Ronald, K.
Author_Institution :
Dept. of Phys., Univ. of Strathclyde, Glasgow
Abstract :
The design and simulation of a harmonic gyrotron based on a cusp electron gun is presented. The gyrotron is operated at the 7th electron cyclotron harmonic with an output frequency of ~390 GHz and mode pattern of TE71. A large orbit electron beam with an energy of 40 keV, beam current of 1.5 A and an adjustable pitch alpha from 1 to 3 from a cusp gun is used to drive the beam-wave interaction. Smooth cylindrical waveguide and slotted structures have been studied as interaction cavities. Theoretical analysis and numerical simulation results of these structures will be presented.
Keywords :
circular waveguides; electron guns; gyrotrons; beam current; beam-wave interaction; cusp electron gun; electron cyclotron; frequency 390 GHz; harmonic gyrotron design; harmonic gyrotron simulation; interaction cavities; mode pattern; orbit electron beam; slotted structures; smooth cylindrical waveguide; Cyclotrons; Design optimization; Electron beams; Frequency; Gyrotrons; Magnetic fields; Materials science and technology; Millimeter wave technology; Space heating; Space technology;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves, 2008. IRMMW-THz 2008. 33rd International Conference on
Conference_Location :
Pasadena, CA
Print_ISBN :
978-1-4244-2119-0
Electronic_ISBN :
978-1-4244-2120-6
DOI :
10.1109/ICIMW.2008.4665500
