Natural oscillations providing 90° polarization plane rotation by planar chiral double-slot irises

The common origin of the “enhanced transmission” through small holes and polarization plane rotation (“optical activity”) resonances peculiar for a pair of conjugated planar chiral irises is demonstrated. The eigenoscillation spectra are studied extensively from the “aperture” eigenoscillations of p...

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Bibliographic Details
Published inRadioelectronics and communications systems Vol. 57; no. 12; pp. 521 - 530
Main Authors Kirilenko, A. A., Kolmakova, N. G., Perov, A. O., Prikolotin, S. A., Derkach, V. N.
Format Journal Article
LanguageEnglish
Published Heidelberg Allerton Press 2014
Subjects
Communications Engineering
Engineering
Networks
Polarization Rotation
Polarization Plane
Return Loss
Optical Activity
Natural Oscillation
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Summary:The common origin of the “enhanced transmission” through small holes and polarization plane rotation (“optical activity”) resonances peculiar for a pair of conjugated planar chiral irises is demonstrated. The eigenoscillation spectra are studied extensively from the “aperture” eigenoscillations of plane junctions responsible for the “enhanced transmission” through the planar chiral iris up to the eigenoscillations of “dihedral” symmetry formed in a composite double slot planar chiral iris. Their excitation results in polarization plane rotation of the dominant mode in a square waveguide. A new compact unit for TE 01 to TE 10 conversion operating within 5–10% frequency band is proposed and validated experimentally. All conclusions are valid for various types of metasurfaces based on the “fish-net” gratings.
ISSN:0735-2727
1934-8061
DOI:10.3103/S0735272714120012