Addendum: “Controlling extraordinary transmission characteristics of metal hole arrays with spoof surface plasmons” [Appl. Phys. Lett. 100, 081112 (2012)]

Miyamaru, Fumiaki; Kamijyo, Mototsugu; Hanaoka, Naoki; Takeda, Mitsuo

doi:10.1063/1.4735019

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2019

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“…A very small number of electromagnetic waves are transmitted through small slots. To obtain a high transmission efficiency for an electrically small aperture, resonance transmission is obtained by placing a capacitor across the midpoint of the aperture [19] and by deforming the aperture shape [20,21,22,23,24,25,26,27,28,29].…”

Section: Introductionmentioning

confidence: 99%

Enhanced resonance transmission of a small square aperture loaded with parallel wires in a ground plane

Kim

Cho

2019

IEICE Electron. Express

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This paper presents the resonance transmission of a small, square aperture with two parallel wires in a ground plane. When a plane wave excites a square aperture, aperture resonance occurs using parallel wires, which is known as resonance transmission or maximum power transmission. The resonant frequency of a 3-cm square aperture structure was reduced from 4.18 GHz to various desired frequencies by adding wires. The enhanced transmission cross sections using two parallel wires were ≈3λ 2 /4π (= 2Gλ 2 /4π, G = 1.5) for square widths of ≲0.22λ, and approached 3.56λ 2 /4π (= 2Gλ 2 /4π, G = 1.78) for square widths ≳0.22λ. The small square aperture enhanced transmission cross sections using parallel wires were between 3λ 2 /4π and 3.56λ 2 /4π.

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