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 SM ISO690:2012SERGENTU, Vladimir, URSACHI, Veaceslav, TIGINYANU, Ion, FOCA, Eugen, FOLL, Helmut, BOYD, Robert W.. Focusing slabs made of negative index materials based on inhomogeneous dielectric rods. In: Physica Status Solidi (A) Applications and Materials Science, 2006, vol. 203, pp. 48-50. ISSN 1862-6300. DOI: https://doi.org/10.1002/pssa.200622120 |
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  Physica Status Solidi (A) Applications and Materials Science |
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| Volumul 203 / 2006 / ISSN 1862-6300 | ||||||
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| DOI:https://doi.org/10.1002/pssa.200622120 | ||||||
| Pag. 48-50 | ||||||
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We show the advantages of using inhomogeneous dielectric rods to design photonic crystals that behave as materials with negative refractive index. We found that the analysis of light scattering properties of inhomogeneous dielectric rods allows one to estimate the interval of frequencies where a photonic crystal exhibits negative refractive index. A triangular-lattice photonic crystal - assembled from multilayer dielectric rods designed to approximate a fish-eye profile - is shown to exhibit negative refractive index and good focusing properties at frequencies where the fish-eye dielectric rods scatter the light like a medium with negative refractive index. |
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| Cuvinte-cheie Dielectric rods, Negative index materials, CrystalsLight scattering, Photonic Crystals, Natural frequencies, refractive index |
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