Theory of the rooftop resonator: resonant frequencies and eigenpolarizations

The eigenpolarizations and resonant frequencies are derived for a circular dielectric waveguide resonator (EH11 mode) terminated by perfectly reflecting metallic rooftop mirrors. It is demonstrated that, in the far-IR region, circularly polarized helical standing waves result from an arbitrary angul...

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Bibliographic Details
Published in:Applied optics (2004) 1983-03, Vol.22 (5), p.662-665
Main Authors: Mansfield, D K, Jones, K, Johnson, L C, Semet, A
Format: Article
Language:English
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Summary:The eigenpolarizations and resonant frequencies are derived for a circular dielectric waveguide resonator (EH11 mode) terminated by perfectly reflecting metallic rooftop mirrors. It is demonstrated that, in the far-IR region, circularly polarized helical standing waves result from an arbitrary angular misalignment of the rooftop creases. Further, the right and left circularly polarized modes have different resonant frequencies.
ISSN:1559-128X
DOI:10.1364/AO.22.000662