Split-ring-resonator-coupled enhanced transmission through a single subwavelength aperture

Koray Aydin; A. Ozgur Cakmak; Levent Sahin; Z. Li; Filiberto Bilotti; Lucio Vegni; Ekmel Ozbay

doi:10.1103/PhysRevLett.102.013904

Split-ring-resonator-coupled enhanced transmission through a single subwavelength aperture

Koray Aydin^*, A. Ozgur Cakmak, Levent Sahin, Z. Li, Filiberto Bilotti, Lucio Vegni, Ekmel Ozbay

^*Corresponding author for this work

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

115 Scopus citations

Abstract

We report the enhanced transmission of electromagnetic waves through a single subwavelength aperture by using a split-ring resonator (SRR) at microwave frequencies. By placing a single SRR at the near field of the aperture, strongly localized electromagnetic fields are effectively coupled to the aperture with a radius that is 20 times smaller than the resonance wavelength (r/λ=0.05). We obtained 740-fold transmission enhancement by exciting the electric resonance of SRR. A different coupling mechanism, through the magnetic resonance of SRR, is also verified to lead to enhanced transmission.

Original language	English (US)
Article number	013904
Journal	Physical review letters
Volume	102
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.102.013904
State	Published - Jan 5 2009

ASJC Scopus subject areas

General Physics and Astronomy

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abstract = "We report the enhanced transmission of electromagnetic waves through a single subwavelength aperture by using a split-ring resonator (SRR) at microwave frequencies. By placing a single SRR at the near field of the aperture, strongly localized electromagnetic fields are effectively coupled to the aperture with a radius that is 20 times smaller than the resonance wavelength (r/λ=0.05). We obtained 740-fold transmission enhancement by exciting the electric resonance of SRR. A different coupling mechanism, through the magnetic resonance of SRR, is also verified to lead to enhanced transmission.",

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AU - Aydin, Koray

AU - Cakmak, A. Ozgur

AU - Sahin, Levent

AU - Li, Z.

AU - Bilotti, Filiberto

AU - Vegni, Lucio

AU - Ozbay, Ekmel

PY - 2009/1/5

Y1 - 2009/1/5

N2 - We report the enhanced transmission of electromagnetic waves through a single subwavelength aperture by using a split-ring resonator (SRR) at microwave frequencies. By placing a single SRR at the near field of the aperture, strongly localized electromagnetic fields are effectively coupled to the aperture with a radius that is 20 times smaller than the resonance wavelength (r/λ=0.05). We obtained 740-fold transmission enhancement by exciting the electric resonance of SRR. A different coupling mechanism, through the magnetic resonance of SRR, is also verified to lead to enhanced transmission.

AB - We report the enhanced transmission of electromagnetic waves through a single subwavelength aperture by using a split-ring resonator (SRR) at microwave frequencies. By placing a single SRR at the near field of the aperture, strongly localized electromagnetic fields are effectively coupled to the aperture with a radius that is 20 times smaller than the resonance wavelength (r/λ=0.05). We obtained 740-fold transmission enhancement by exciting the electric resonance of SRR. A different coupling mechanism, through the magnetic resonance of SRR, is also verified to lead to enhanced transmission.

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Split-ring-resonator-coupled enhanced transmission through a single subwavelength aperture

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