Title :
P2-24: Numerical simulation of resonant loss in coupled-cavity SWS
Author :
Christie, V. Latha ; Sumathy, M. ; Kumar, Lalit
Author_Institution :
Microwave Tube R&D Centre, Minist. of Defence, Bangalore, India
Abstract :
In a broadband coupled-cavity slow-wave structure, the problem of bandedge oscillation is overcome by resonant loss technique by introducing lossy dielectric resonators in the cavity. To reduce the dimensions of the dielectric resonators, high lossy and high dielectric constant, materials are used. In this paper, the effects of introducing 2, 4 and 8 lossy dielectric resonators (operating either on E010- or H111-mode), on the dispersion, interaction impedance and start oscillation current are studied.
Keywords :
cavity resonators; dielectric resonators; slow wave structures; E010-mode; H111-mode; bandedge oscillation; broadband coupled-cavity slow-wave structure; coupled-cavity SWS; interaction impedance; lossy dielectric resonators; numerical simulation; resonant loss technique; Dielectric losses; Dielectric materials; Dispersion; Frequency; Glass; High-K gate dielectrics; Impedance; Microwave theory and techniques; Numerical simulation; Resonance; MAFIA; coupled-cavity slow-wave structure; lossy dielectric resonators; numerical simulation;
Conference_Titel :
Vacuum Electronics Conference (IVEC), 2010 IEEE International
Conference_Location :
Monterey, CA
Print_ISBN :
978-1-4244-7098-3
DOI :
10.1109/IVELEC.2010.5503500
