Resonance transmission or absorption in deep gratings explained by magnetic polaritons

L. P. Wang; Z. M. Zhang

doi:10.1063/1.3226661

Resonance transmission or absorption in deep gratings explained by magnetic polaritons

L. P. Wang, Z. M. Zhang

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

121 Scopus citations

Abstract

Resonance transmission or absorption has been observed in metallic deep gratings and previously characterized as coupled surface plasmon polaritons or Fabry-Ṕrot-like resonances. This letter provides a quantitative explanation of this phenomenon by means of localized magnetic polaritons. Rigorous coupled-wave analysis is used to predict the spectral transmittance and absorptance of subwavelength gratings. The resonance condition is compared with that predicted by the LC circuit model. Some geometric effects that cannot be explained by previous models can be well understood in terms of magnetic polaritons. The insight gained from this study may facilitate future design and applications of subwavelength periodic structures.

Original language	English (US)
Article number	111904
Journal	Applied Physics Letters
Volume	95
Issue number	11
DOIs	https://doi.org/10.1063/1.3226661
State	Published - 2009
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Resonance transmission or absorption in deep gratings explained by magnetic polaritons",

abstract = "Resonance transmission or absorption has been observed in metallic deep gratings and previously characterized as coupled surface plasmon polaritons or Fabry-Ṕrot-like resonances. This letter provides a quantitative explanation of this phenomenon by means of localized magnetic polaritons. Rigorous coupled-wave analysis is used to predict the spectral transmittance and absorptance of subwavelength gratings. The resonance condition is compared with that predicted by the LC circuit model. Some geometric effects that cannot be explained by previous models can be well understood in terms of magnetic polaritons. The insight gained from this study may facilitate future design and applications of subwavelength periodic structures.",

author = "Wang, {L. P.} and Zhang, {Z. M.}",

note = "Funding Information: Authors thank the Department of Energy (Contract No. DE-FG02-06ER46343) for supporting this work and Z.M.Z. also thanks the National Science Foundation (Grant No. CBTE-0828701) for the support. ",

year = "2009",

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journal = "Applied Physics Letters",

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AU - Wang, L. P.

AU - Zhang, Z. M.

N1 - Funding Information: Authors thank the Department of Energy (Contract No. DE-FG02-06ER46343) for supporting this work and Z.M.Z. also thanks the National Science Foundation (Grant No. CBTE-0828701) for the support.

PY - 2009

Y1 - 2009

N2 - Resonance transmission or absorption has been observed in metallic deep gratings and previously characterized as coupled surface plasmon polaritons or Fabry-Ṕrot-like resonances. This letter provides a quantitative explanation of this phenomenon by means of localized magnetic polaritons. Rigorous coupled-wave analysis is used to predict the spectral transmittance and absorptance of subwavelength gratings. The resonance condition is compared with that predicted by the LC circuit model. Some geometric effects that cannot be explained by previous models can be well understood in terms of magnetic polaritons. The insight gained from this study may facilitate future design and applications of subwavelength periodic structures.

AB - Resonance transmission or absorption has been observed in metallic deep gratings and previously characterized as coupled surface plasmon polaritons or Fabry-Ṕrot-like resonances. This letter provides a quantitative explanation of this phenomenon by means of localized magnetic polaritons. Rigorous coupled-wave analysis is used to predict the spectral transmittance and absorptance of subwavelength gratings. The resonance condition is compared with that predicted by the LC circuit model. Some geometric effects that cannot be explained by previous models can be well understood in terms of magnetic polaritons. The insight gained from this study may facilitate future design and applications of subwavelength periodic structures.

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Resonance transmission or absorption in deep gratings explained by magnetic polaritons

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