Title :
Optimization of low-voltage gyrotrons parameters
Author :
Glyavin, M.Yu. ; Sedov, A.S. ; Zavolskiy, N.A. ; Zapevalov, V.E. ; Nusinovich, Gregory S.
Author_Institution :
Inst. of Appl. Phys., Nizhny Novgorod, Russia
Abstract :
Some issues important for operation of gyrotrons driven by low-voltage electron beams are analyzed. An emphasis is made on the efficiency of low-voltage gyrotron operation at the fundamental and higher cyclotron harmonics. These efficiencies calculated with the account for ohmic losses were, first, determined in the framework of the generalized gyrotron theory based on the cold-cavity approximation. Then, more accurate, self-consistent calculations for the fundamental and second harmonic low-voltage sub-THz gyrotron designs were carried out. Results of these calculations are presented and discussed. It is shown that operation of the fundamental and second harmonic gyrotrons with noticeable efficiencies is possible even at voltages as low as 5-10 kV.
Keywords :
gyrotrons; optimisation; cold-cavity approximation; cyclotron harmonics; generalized gyrotron theory; low-voltage electron beams; low-voltage gyrotron parameters; ohmic losses; optimization; second harmonic low-voltage subTHz gyrotron designs; self-consistent calculations; Cyclotrons; Diffraction; Educational institutions; Electronic mail; Gyrotrons; Harmonic analysis; Q-factor;
Conference_Titel :
Microwave and Telecommunication Technology (CriMiCo), 2013 23rd International Crimean Conference
Conference_Location :
Sevastopol
Print_ISBN :
978-966-335-395-1