Abstract

In order to more clearly observe the bianisotropic effects due to fabrication-induced structural asymmetries in negative-index metamaterials based on a fishnet structure, it is necessary to measure the optical properties with symmetric substrate and superstrate bounding layers. This is accomplished in this report using an index-matching fluid and identical substrate and superstrate glass materials.

© 2009 Optical Society of America

Bi-anisotropy of multiple-layer fishnet negative-index metamaterials due to angled sidewalls

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