Negative refractive index and opto-magnetic materials and method of fabricating same
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United States of America Patent
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Jul 20, 2010
Grant Date -
Oct 6, 2005
app pub date -
Dec 29, 2004
filing date -
Dec 31, 2003
priority date (Note) -
Expired
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Abstract
One-dimensional, two-dimensional and three-dimensional negative refractive index (NRI) and/or opto-magnetic materials operating in spectral ranges spanning from the visible to far IR wavelength ranges is disclosed. Said materials are comprised of metal or metal/dielectric wire pairs arranged in a number of sublattices (one for one dimensional material, two for two-dimensional and three or more for three dimensional material), such that in each lattice, said wire pairs are essentially parallel to each other. Such a materials are useful and practical in obtaining previously unachievable important optical functions in these spectral ranges. Such optical properties are highly desired for many applications. A practical means of manufacture that is compatible with cost-effective and large-scale production methods is also provided.
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