2007
DOI: 10.1063/1.2732412
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Wave propagation characteristics of a figure-eight shaped nanoaperture

Abstract: Wave propagation characteristics of apertures were analyzed to explain the light transmission of metallic nanoapertures. Based on Maxwell’s equations, the wave dispersion relations of wave propagation modes in nanoapertures were derived. The resonance frequency shift of the aperture and the variation of the spot size are explained with the dispersion relations. The relationship between near-field and far-field light transmission power throughput and spot size is also shown with the wave mode change predicted b… Show more

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Cited by 11 publications
(3 citation statements)
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“…In the dispersion relationship of a single-layer 200 nm diameter nano-aperture, the peaks split into new peaks that move in opposite directions (Figure 3a). This result is related to the general dispersion relationship [30], [31]. As shown in Figure 3b, the NPDS geometry aperture simulation has an intrinsic dispersion relationship with relatively small dispersion; this result indicates a low SPP propagation constant.…”
Section: A Light Transmission Spectra Of the Plasmonic Double-gate Smentioning
confidence: 71%
“…In the dispersion relationship of a single-layer 200 nm diameter nano-aperture, the peaks split into new peaks that move in opposite directions (Figure 3a). This result is related to the general dispersion relationship [30], [31]. As shown in Figure 3b, the NPDS geometry aperture simulation has an intrinsic dispersion relationship with relatively small dispersion; this result indicates a low SPP propagation constant.…”
Section: A Light Transmission Spectra Of the Plasmonic Double-gate Smentioning
confidence: 71%
“…In plasmonic lithography, the evanescent fields induced by the localized surface plasmon polariton (LSPP) underneath metal nano-apertures are applied to record nano-scale patterns on a photoresist. It is well known that the C- [1], bow-tie- [2] and cup- [3,4] shaped nano-apertures produce nano-sized spots of light with high brightness. It is also known that when LSPP is induced on a metal surface, it contributes to the enhanced transmission of light through the nano-apertures [5].…”
Section: Introductionmentioning
confidence: 99%
“…In plasmonic lithography, the evanescent fields induced by the localized surface plasmon polariton (LSPP) underneath metal nano-apertures are applied to record nanoscale patterns on a photoresist. It is well known that the C- [1], bow-tie- [2] and cup- [3,4] shaped nano-apertures produce nanosized spots of light with high brightness. It is also known that LSPP induced on a metal surface contributes to the enhanced transmission of light through the nano-apertures [5].…”
Section: Introductionmentioning
confidence: 99%