Title :
Ferrite circular waveguide variable polarizer loaded with dielectric ring
Author :
Che, Wanquan ; Yung, E.K.-N. ; Junding, Wen
Author_Institution :
Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China
Abstract :
Addition of a thin dielectric ring in the ferrite circular waveguide variable polarizer increases the differential phase shift by about 20%-30%. Furthermore, a new impedance matching technique widens the bandwidth significantly, which increase from 4.06% to 14.5%
Keywords :
circular waveguides; electromagnetic wave polarisation; ferrite phase shifters; ferrite waveguides; impedance matching; magnetic microwave devices; waveguide components; C-band operation; bandwidth improvement; dielectric ring loaded polarizer; differential phase shift; dual-mode ferrite phase shifter; ferrite circular waveguide polarizer; impedance matching technique; variable polarizer; Dielectrics; Ferrites; Loaded waveguides; Polarization;
Conference_Titel :
Microwave Conference, 2000 Asia-Pacific
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-6435-X
DOI :
10.1109/APMC.2000.925811
