Journal
MICROELECTRONIC ENGINEERING
Volume 86, Issue 4-6, Pages 1131-1133Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mee.2008.11.090
Keywords
Surface plasmon; Quasicrystal; Enhanced transmission
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We have applied focused ion beam (FIB) technique to fabricate planar quasicrystals in thin gold films. Transmission spectra of these quasicrystals are observed with strong dependence on the lattice parameters, indicating that the resonances can be ascribed to the effect of horizontal surface plasmon (SP) on both metal-air and metal-glass interfaces. Multiple SP modes excited in the quasicrystal give rise to the enhanced transmission in a wide wavelength range. The diffraction pattern through the quasicrystal exhibits 10-fold rotation symmetry and a dense distribution, which is in good agreement with that from the Fourier transform. (c) 2008 Elsevier B.V. All rights reserved.
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