Enhanced transmission via a sub-wavelength hole aperture coupled to a high-permittivity resonator

Véronique Sadaune; Lei Kang; Didier Lippens

doi:10.1088/0022-3727/45/47/475102

Enhanced transmission via a sub-wavelength hole aperture coupled to a high-permittivity resonator

Véronique Sadaune, Lei Kang, Didier Lippens

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3 Scopus citations

Abstract

One order of magnitude enhanced transmissivity was demonstrated by microwave scattering parameter measurements of a sub-wavelength single hole aperture (λ/20) coupled to a high-permittivity ferroelectric cube (ε _r=120). It was shown that the large permittivity value allows the concentration of the impinging electromagnetic wave on a millimetre scale, compatible with the deep sub-wavelength millimetre-sized aperture without involving surface plasmon mode propagation as in optics. The transmission enhancement explained by a tight coupling between the dielectric resonator and the sub cut-off aperture was experimentally verified by considering coupling distance and hole size as parameters.

Original language	English (US)
Article number	475102
Journal	Journal of Physics D: Applied Physics
Volume	45
Issue number	47
DOIs	https://doi.org/10.1088/0022-3727/45/47/475102
State	Published - Nov 28 2012

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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10.1088/0022-3727/45/47/475102

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abstract = "One order of magnitude enhanced transmissivity was demonstrated by microwave scattering parameter measurements of a sub-wavelength single hole aperture (λ/20) coupled to a high-permittivity ferroelectric cube (ε r=120). It was shown that the large permittivity value allows the concentration of the impinging electromagnetic wave on a millimetre scale, compatible with the deep sub-wavelength millimetre-sized aperture without involving surface plasmon mode propagation as in optics. The transmission enhancement explained by a tight coupling between the dielectric resonator and the sub cut-off aperture was experimentally verified by considering coupling distance and hole size as parameters.",

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AU - Kang, Lei

AU - Lippens, Didier

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Y1 - 2012/11/28

N2 - One order of magnitude enhanced transmissivity was demonstrated by microwave scattering parameter measurements of a sub-wavelength single hole aperture (λ/20) coupled to a high-permittivity ferroelectric cube (ε r=120). It was shown that the large permittivity value allows the concentration of the impinging electromagnetic wave on a millimetre scale, compatible with the deep sub-wavelength millimetre-sized aperture without involving surface plasmon mode propagation as in optics. The transmission enhancement explained by a tight coupling between the dielectric resonator and the sub cut-off aperture was experimentally verified by considering coupling distance and hole size as parameters.

AB - One order of magnitude enhanced transmissivity was demonstrated by microwave scattering parameter measurements of a sub-wavelength single hole aperture (λ/20) coupled to a high-permittivity ferroelectric cube (ε r=120). It was shown that the large permittivity value allows the concentration of the impinging electromagnetic wave on a millimetre scale, compatible with the deep sub-wavelength millimetre-sized aperture without involving surface plasmon mode propagation as in optics. The transmission enhancement explained by a tight coupling between the dielectric resonator and the sub cut-off aperture was experimentally verified by considering coupling distance and hole size as parameters.

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Enhanced transmission via a sub-wavelength hole aperture coupled to a high-permittivity resonator

Abstract

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