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Proceedings Paper

Infrared spectroscopy and ellipsometry of magnetic metamaterials
Author(s): Willie J. Padilla; Ta-Jen Yen; Nicholas Fang; David C. Vier; David Richard Smith; John B. Pendry; Xiang Zhang; D. N. Basov
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Paper Abstract

We present S and P polarized measurements of artificial bianisotropic magnetic metamaterials with resonant behavior at infrared frequencies. These metamaterials consist of an array of micron sized (~40μm) copper rings fabricated upon a quartz substrate. Simulation of the reflectance is obtained through a combination of electromagnetic eigenmode simulation and Jones matrix analysis, and we find excellent agreement with the experimental data. It is shown that although the artificial magnetic materials do indeed exhibit a magnetic response, care must be taken to avoid an undesirable electric dipole resonance, due to lack of reflection symmetry in one orientation. The effects of bianisotropy on negative index are detailed and shown to be beneficial for certain configurations of the material parameters.

Paper Details

Date Published: 25 March 2005
PDF: 10 pages
Proc. SPIE 5732, Quantum Sensing and Nanophotonic Devices II, (25 March 2005); doi: 10.1117/12.581787
Show Author Affiliations
Willie J. Padilla, Los Alamos National Lab. (United States)
Ta-Jen Yen, Univ. of California/Los Angeles (United States)
Nicholas Fang, Univ. of California/Los Angeles (United States)
David C. Vier, Univ. of California/San Diego (United States)
David Richard Smith, Duke Univ. (United States)
John B. Pendry, Imperial College London (United Kingdom)
Xiang Zhang, Univ. of California/Los Angeles (United States)
D. N. Basov, Univ. of California/San Diego (United States)


Published in SPIE Proceedings Vol. 5732:
Quantum Sensing and Nanophotonic Devices II
Manijeh Razeghi; Gail J. Brown, Editor(s)

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