Low-loss dielectric resonant devices having lattice structures with elongated resonant defects
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United States of America Patent
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Nov 28, 1995
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Dec 6, 1993
filing date -
Feb 15, 1991
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Abstract
A dielectric resonator comprising a resonant defect structure diposed in a lattice structure formed of a plurality of multi-dimensional periodically arranged dielectric elements confines electromagnetic energy within a frequency band in the photonic band gap. The frequency band of the confined electromagnetic energy is tunable. The unique structure of the dielectric resonator leads to reduced power dissipation losses when used in microwave and millimeter wave components. Accordingly, the dielectric resonator may be used to produce high quality resonant cavities, filters and power generators.
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