Title :
Design and experiment demonstration of a 94 GHz second-harmonic Gyrotron
Author :
Liu Ying-hui ; Niu Xinjian ; Yu Sheng ; Li Hongfu ; Yao Jun ; Zhou Jun ; Lei Chaojun ; Zhang Tian-zhong ; Jiang Hong ; Yang Yi
Author_Institution :
Inst. of High Energy Electron., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
A complex cavity with gradual transition is employed in the 94 GHz gyrotron. A self-consistent field nonlinear theory has been used and numerical simulations for electron beam interaction with RF modes are given. A pulse output power of 235.2 kW is obtained by simulation at a beam voltage of 60 kV with beam current of 10 A, a velocity ratio of 1.45, and magnetic field 17kG, corresponding to an efficiency of 39.2%.
Keywords :
electron beams; gyrotrons; millimetre wave tubes; RF modes; complex cavity; current 10 A; electron beam interaction; frequency 94 GHz; power 235.2 kW; second harmonic gyrotron; self-consistent field nonlinear theory; velocity ratio; voltage 60 kV; Cavity resonators; Cyclotrons; Frequency conversion; Gyrotrons; Magnetic fields; Plasmas; Superconducting magnets; complex cavity; experimental study; gyrotron; numerical simulation; second harmonic; self-consistent;
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.2012.6380267
