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Role of surface electromagnetic waves in metamaterial absorbers

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.24.006783· OSTI ID:1255129
 [1];  [2];  [3];  [3];  [2];  [4];  [5];  [4];  [4];  [2];  [5]
  1. Boston College, Chestnut Hill, MA (United States); Duke University
  2. Duke Univ., Durham, NC (United States)
  3. Boston College, Chestnut Hill, MA (United States)
  4. SensorMetrix, Inc., San Diego, CA (United States)
  5. Boston College, Chestnut Hill, MA (United States); Duke Univ., Durham, NC (United States)

Metamaterial absorbers have been demonstrated across much of the electromagnetic spectrum and exhibit both broad and narrow-band absorption for normally incident radiation. Absorption diminishes for increasing angles of incidence and transverse electric polarization falls off much more rapidly than transverse magnetic. We unambiguously demonstrate that broad-angle TM behavior cannot be associated with periodicity, but rather is due to coupling with a surface electromagnetic mode that is both supported by, and well described via the effective optical constants of the metamaterial where we achieve a resonant wavelength that is 19.1 times larger than the unit cell. Furthermore, experimental results are supported by simulations and we highlight the potential to modify the angular response of absorbers by tailoring the surface wave.

Research Organization:
Boston College, Chestnut Hill, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0005240
OSTI ID:
1255129
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 6 Vol. 24; ISSN 1094-4087; ISSN OPEXFF
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (13)

Independent excitation of spoof surface plasmon polaritons for orthogonal linear polarized incidences journal September 2018
New Type Design of the Triple-Band and Five-Band Metamaterial Absorbers at Terahertz Frequency journal January 2017
Six-band terahertz metamaterial absorber based on the combination of multiple-order responses of metallic patches in a dual-layer stacked resonance structure journal January 2017
A three-dimensional all-metal terahertz metamaterial perfect absorber journal July 2017
Water-injected all-dielectric ultra-wideband and prominent oblique incidence metamaterial absorber in microwave regime journal August 2017
Dispersion engineering of metasurfaces for supporting both TM and TE spoof surface plasmon polariton journal January 2018
Spoof surface plasmon polaritons excitation and wavefront control by Pancharatnam–Berry phase manipulating metasurface journal April 2018
Extraordinary spoof surface plasmon polaritons excitation by linear and circular polarization conversions phase gradient metasurface journal November 2019
Obtaining single mode spoof surface plasmon polaritons under circular polarized incidence journal January 2020
Influence of the imaginary part of the dielectric layer on the bandwidth of metamaterial absorber and the design of broadband absorption journal September 2018
Implementing infrared metamaterial perfect absorbers using dispersive dielectric spacers journal January 2019
Terahertz dual phase gradient metasurfaces: high-efficiency binary-channel spoof surface plasmon excitation journal January 2020
Terahertz dual phase gradient metasurface: high-efficiency binary-channel spoof surface plasmon excitation text January 2019

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