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Tunneling of ultradirective radiation in metamaterials with zero-average index bandgap
J. Nanophoton. 5, 053524 (Oct 13, 2011); http://dx.doi.org/10.1117/1.3646925
In a zero-average refractive index metamaterial the light propagation is forbidden and a narrow full photonic bandgap is open in correspondence of the frequency where it vanishes and the refractive index is averaged over the volume. However, it should be underlined that Fabry–Pérot resonances can open a propagation state inside such a particular type of bandgap. Based on a photonic crystal exhibiting a negative refractive index, it was found that such Fabry–Pérot resonant states allow images transmission with subwavelength details.
© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)
History
Received Apr 27, 2011
Accepted Sep 16, 2011
Revised Sep 14, 2011
Published online Oct 13, 2011
Accepted Sep 16, 2011
Revised Sep 14, 2011
Published online Oct 13, 2011
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Citation
Vito Mocella, "Tunneling of ultradirective radiation in metamaterials with zero-average index bandgap",
J. Nanophoton. 5, 053524 (Oct 13, 2011); http://dx.doi.org/10.1117/1.3646925
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