Y A Urzhumov et al 2007 J. Opt. A: Pure Appl. Opt. 9 S322 doi:10.1088/1464-4258/9/9/S07
Optical properties of sub-wavelength hole arrays in SiC membranes
Y A Urzhumov1,3, D Korobkin1, B Neuner III1, C Zorman2 and G Shvets1
Show affiliationsIt is shown that perforated SiC membranes can be used for engineering optical properties of metamaterials in the infrared. The complex-valued frequency-dependent effective dielectric permittivity 
eff(ω) of a single membrane can be controlled by the size and spacing between the holes. Regions of the anomalous dispersion and strong absorption described by eff(ω) have been identified and related to the excitation of even-parity surface phonon polaritons of a smooth SiC film. The effective permittivity description has been validated by comparing the transmittance and absorbance of the film obtained from eff(ω) with that calculated using first principles electromagnetic simulations. Theoretical predictions of the enhanced transmission and absorption in the perforated film have been verified experimentally using FTIR micro-spectroscopy. For the first time, the dependence of enhanced transmission and absorption on the incidence plane of the incoming radiation has been studied.
- PACS
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78.68.+m Optical properties of surfaces
78.30.Hv Other nonmetallic inorganics
71.36.+c Polaritons (including photon-phonon and photon-magnon interactions)
- Subjects
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Condensed matter: electrical, magnetic and optical
- Dates
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Issue 9 (September 2007)
Received 16 March 2007, accepted for publication 2 May 2007
Published 22 August 2007
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Optical properties of sub-wavelength hole arrays in SiC membranes
Y A Urzhumov et al 2007 J. Opt. A: Pure Appl. Opt. 9 S322
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