Title :
Sub-THz CW clinotron oscillators with increased output power
Author :
Kuleshov, A. ; Ponomarenko, S. ; Kishko, S. ; Zavertanniy, Victor ; Khutoryan, E. ; Yefimov, B.
Author_Institution :
Vacuum Electron. Dept., O. Ya. Usikov Inst. for Radiophys. & Electron., Kharkiv, Ukraine
Abstract :
The parameters of sub-THz CW clinotrons developed in IRE NAS of Ukraine are presented. The output power increase is achieved using optimized magnetic focusing system. Multiple-stage grating is proposed as a part of clinotron electromagnetic structure to provide the feedback by hybrid surface-volume modes that results in ohmic losses decrease in THz range. Comparison of simulation and experimental results of the interaction of the intense ribbon electron beam with hybrid surface-volume modes of sub-THz clinotron oscillator have been resented and discussed.
Keywords :
backward wave oscillators; electron beams; feedback; IRE NAS; Ukraine; clinotron electromagnetic structure; hybrid surface-volume modes; magnetic focusing system; multistage grating; ribbon electron beam; subterahertz CW clinotron oscillators; Electron beams; Electron tubes; Gratings; Oscillators; Power generation; Surface impedance; Surface waves; BWO — clinotron; THz radiation; compact magnetic focusing system; hybrid surface-volume modes; multiple-stage grating;
Conference_Titel :
Vacuum Electronics Conference, IEEE International
Conference_Location :
Monterey, CA
DOI :
10.1109/IVEC.2014.6857496
