Bulk photonic metamaterial with hyperbolic dispersion

We have demonstrated the thickest bulk photonic metamaterial reported in the literature based on an Ag-filled alumina membrane. The material is highly anisotropic with hyperbolic dispersion at λ > 0.84   μ m . The refraction of light in the direction expected of isotropic media with n < 1 has...

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Bibliographic Details
Published in:Applied physics letters 2009-04, Vol.94 (15), p.151105-151105-3
Main Authors: Noginov, M. A., Barnakov, Yu A., Zhu, G., Tumkur, T., Li, H., Narimanov, E. E.
Format: Article
Language:English
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Summary:We have demonstrated the thickest bulk photonic metamaterial reported in the literature based on an Ag-filled alumina membrane. The material is highly anisotropic with hyperbolic dispersion at λ > 0.84   μ m . The refraction of light in the direction expected of isotropic media with n < 1 has been experimentally demonstrated at λ = 632.8   nm . This makes the material potentially suitable for a variety of applications ranging from subdiffraction imaging to optical cloaking.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3115145