Start Reading Meta-Materials Directivity and isotropic band-gap in 12-fold symmetry plasmonic quasi-crystals with small index con
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Directivity and isotropic band-gap in 12-fold symmetry plasmonic quasi-crystals with small index con
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15

Dec

2011

Appl. Phys. Lett. 99, 181104 (2011); doi:10.1063/1.3657498 (3 pages)

C. J. Regan1,2, L. Grave de Peralta2,3, and A. A. Bernussi1,2

1Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, USA
2Nano Tech Center, Texas Tech University, Lubbock, Texas 79409, USA
3Department of Physics, Texas Tech University, Lubbock, Texas 79409, USA

We experimentally investigated the map of the momentum of photons of propagating modes in dye-doped dielectric loaded plasmonic quasi-crystals with 12-fold symmetry. Using Fourier plane image analysis we established the relation between the pseudo-Brillouin zone and the directivity of propagating modes in plasmonic quasi-crystals with different periods at different frequencies. We demonstrated that a full isotropic bandgap can be achieved with the proposed structures.
  		 

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