Title :
Beamstick for a 95 GHz harmonic gyroklystron
Author :
Bemis, T. ; Scheitrum, G.P. ; True, R.B.
Author_Institution :
Litton Electron Devices, San Carlos, CA, USA
Abstract :
Summary form only given. The harmonic gyroklystron being designed for the DARPA High Power Millimeter Wave Amplifier Program requires a hollow, axis encircling electron beam. The design and performance of the beamstick are discussed. The gun is an advanced centerpost gun. In simulation, this design produces axial velocity spreads of less than 2% and guiding center spreads of less than 4% for a 40 kV, 4A beam with an alpha of 2. The magnetic circuit was designed to accommodate an 11 kG magnetic field, which is suitable for third harmonic gyroklystron operation at 95 GHz. Since higher cyclotron harmonics require less field, the beamstick can be used to evaluate beam performance for higher harmonic operation as well.
Keywords :
gyrotrons; 11 kG; 4 A; 40 kV; 95 GHz; advanced centerpost gun; axial velocity spreads; beam performance; beamstick; design; guiding center spreads; gun; harmonic gyroklystron; higher cyclotron harmonics; magnetic circuit; performance; simulation; third harmonic gyroklystron operation; Cathodes; Cyclotrons; Electron beams; Electron devices; Frequency; Klystrons; Magnetic circuits; Magnetic field measurement; Solenoids; Voltage;
Conference_Titel :
Plasma Science, 1993. IEEE Conference Record - Abstracts., 1993 IEEE International Conference on
Conference_Location :
Vancouver, BC, Canada
Print_ISBN :
0-7803-1360-7
DOI :
10.1109/PLASMA.1993.593489
