Self assembled three-dimensional photonic crystal
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United States of America Patent
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Sep 12, 2006
Grant Date -
Sep 22, 2005
app pub date -
Mar 16, 2004
filing date -
Mar 16, 2004
priority date (Note) -
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Abstract
A method of making a photonic crystal includes obtaining single spheres for use in making a self assembled opal structure. Spherical particles are placed centrifuge and separated from doublets using a relative difference in sedimentation velocity in response to centrifugal force. A method includes drawing a substrate through a meniscus at a declination to uniformly deposit spheres on the substrate. Three-dimensional photonic crystals including buried waveguides are also provided.
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