Title :
Nonreciprocal coupling structure of a ferrite loaded dielectric image guide
Author :
Kwan, P. ; How, H. ; Vittoria, C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA
fDate :
9/1/1992 12:00:00 AM
Abstract :
A novel coupled image guide was designed and tested from 26.5 to 40 GHz. The nonreciprocal structure consisted of two dielectric image guides separated by a YIG/GGG ferrite film. Electromagnetic scattering matrix elements of the device were measured for the magnetic field applied perpendicular to the ferrite film plane. Nonreciprocal behavior in the scattering parameters was observed to be in agreement with analysis. The results indicated that various types of millimeter-wave passive devices could be realized in a planar geometry, such as isolators, filters, modulators, switches, and circulators
Keywords :
dielectric waveguides; ferrite devices; ferrites; gadolinium compounds; garnets; waveguide components; yttrium compounds; 26.5 to 40 GHz; EHF; EM scattering matrix elements; SHF; YFe5O12-GdCC; YIG-GdCC; circulators; coupled image guide; ferrite loaded dielectric image guide; filters; isolators; millimeter-wave passive devices; modulators; nonreciprocal coupling structure; nonreciprocal structure; perpendicular magnetic field; planar geometry; switches; Dielectric measurements; Electromagnetic measurements; Electromagnetic scattering; Ferrite films; Magnetic analysis; Magnetic field measurement; Millimeter wave measurements; Scattering parameters; Testing; Transmission line matrix methods;
Journal_Title :
Magnetics, IEEE Transactions on
