Title :
A cusp electron gun for millimeter wave gyro-devices
Author :
Donaldson, C.R. ; Cross, A.W. ; Zhang, L. ; Li, F. ; Phelps, A.D.R. ; Ronald, K. ; Robertson, C.W. ; Whyte, C.G. ; Young, A.R. ; He, W.
Author_Institution :
Dept. of Phys., Univ. of Strathclyde, Glasgow, UK
Abstract :
A thermionic cusp electron gun has been designed, numerically optimized and experimentally measured and is presented. A 40 kV, 1.5 A annular axis-encircling electron beam has been simulated to generate a beam with low velocity and alpha spreads. The electron gun performance has been verified through experiments and the results are given.
Keywords :
electron guns; gyrotrons; millimetre wave tubes; thermionic emission; alpha spreads; annular axis-encircling electron beam; current 1.5 A; millimeter wave gyro-devices; thermionic cusp electron gun; voltage 40 kV; Coils; Current measurement; Electron beams; Extraterrestrial measurements; Harmonic analysis; Helium; Voltage measurement;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380100
