Quasi dual-mode resonator
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United States of America Patent
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Apr 15, 2003
Grant Date -
Oct 17, 2002
app pub date -
Jun 3, 2002
filing date -
Dec 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dielectric resonator is provided having a cavity, a dielectric half disk resonator structure structure, and a support for the half disk resonator structure. The support isolates the dielectric half disk resonator structure from walls of the cavity. A straight edge wall of the dielectric half disk resonator structure couples to a dielectric/air interface within the cavity and forms an approximate magnetic wall. The approximate magnetic wall images the electric field perpendicular to the straight edge wall and supports a single-mode electric field within the half disk resonator structure. Multiple half disk resonator structures may be oriented within the cavity to support other, orthogonal electric fields. Multiple cavities may be coupled to each other through irises formed on the cavity walls.
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