Low-index metamaterial designs in the visible spectrum

Do Hoon Kwon, Douglas H. Werner

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Low-index metamaterial designs in the visible spectrum that are impedance matched to free space are presented. The unit cell of the periodic metamaterial design incorporates a magnetic resonator and silver meshes for respective control of the effective permeability and permittivity. A genetic algorithm is employed to optimize the metamaterial design to achieve a desired set of values for the index of refraction and the intrinsic impedance. Two example GA optimized designs are provided which target the important special cases of a zero and unity index of refraction.

Original languageEnglish (US)
Pages (from-to)9267-9272
Number of pages6
JournalOptics Express
Volume15
Issue number15
DOIs
StatePublished - Jul 23 2007

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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