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Impact of resonator geometry and its coupling with ground plane on ultrathin metamaterial perfect absorbers

Open access
Huang, Li, Chowdhury, Dibakar Roy, Ramani, Suchitra, Reiten, Matthew T., Luo, Sheng-Nian, Azad, Abul K., Taylor, Antoinette J., Chen, Hou-Tong·2012·Applied Physics Letters

Abstract

We investigate the impact of resonator geometry and its coupling with ground plane on the performance of metamaterial perfect absorbers. Using a cross-resonator as an example structure, we find that the absorber thickness can be further reduced through modifying the geometric dimensions of the resonators. Numerical simulations and theoretical calculations reveal that destructive interference of multiple reflections is responsible for the near-unity absorption. The near-field coupling between the resonator array and ground plane can be significant. When this coupling is taken into account, the theoretical results calculated using the interference model are in excellent agreement with experiments and numerical simulations.

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Metadata

Authors
Huang, L., Chowdhury, D. R., Ramani, S., Reiten, M. T., Luo, S.-N., Azad, A. K., Taylor, A. J., & Chen, H.-T.
Venue
Applied Physics Letters
Published
2012-09-03
Volume
101
Issue
10
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W1987347949
Cited by
179
References
0
FWCI
6.07
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Impact of resonator geometry and its coupling with ground plane on ultrathin metamaterial perfect absorbers. https://app.cochat.ai/papers/10.1063/1.4749823
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Huang, L., Chowdhury, D. R., Ramani, S., Reiten, M. T., Luo, S.-N., Azad, A. K., Taylor, A. J., & Chen, H.-T. (2012). Impact of resonator geometry and its coupling with ground plane on ultrathin metamaterial perfect absorbers. Applied Physics Letters. https://doi.org/10.1063/1.4749823

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