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Dual-Band Negative Index Metamaterial: Double-Negative at 813 nm and Single-Negative at 772 nm
Uday K. Chettiar, Alexander V. Kildishev, Hsiao-Kuan Yuan +4
This work is concerned with the experimental demonstration of a dual-band negative index metamaterial. The sample is double-negative (showing both a negative effective permeability…
Optical Cloaking with Non-Magnetic Metamaterials
Wenshan Cai, Uday K. Chettiar, Alexander V. Kildishev +1
Artificially structured metamaterials have enabled unprecedented flexibility in manipulating electromagnetic waves and producing new functionalities, including the cloak of invisib…
A negative permeability material at red light
Hsiao-Kuan Yuan, Uday K. Chettiar, Wenshan Cai +4
Experimental demonstration of a negative permeability due to near-field coupling of periodic thin silver strips is presented. Two samples with different strip thicknesses are fabri…
Comment on "Negative Refractive Index in Artificial Metamaterials" [A. N. Grigorenko, Opt. Lett., 31, 2483 (2006)]
Alexander V. Kildishev, Vladimir P. Drachev, Uday K. Chettiar +3
A key optical parameter characterizing the existence of negative refraction in a thin layer of a composite material is the effective refractive index of an equivalent, homogenized…
Negative index metamaterial combining magnetic resonators with metal films
Uday K. Chettiar, Alexander V. Kildishev, Thomas A. Klar +1
We present simulation results of a design for negative index materials that uses magnetic resonators to provide negative permeability and metal film for negative permittivity. We a…