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3-D Photonic Band Structure Engineering in Self-Assembled Macroporous Photonic Crystals

Published online by Cambridge University Press:  26 February 2011

Michael H. Bartl
Affiliation:
[email protected], University of Utah, Department of Chemistry, Salt Lake City, UT, 84112, United States
Kaycee Carter
Affiliation:
[email protected], University of Utah, Department of Chemistry, Salt Lake City, UT, 84112, United States
Michael H. Bartl
Affiliation:
[email protected], University of Utah, Department of Chemistry, Salt Lake City, UT, 84112, United States
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Abstract

By applying directional pressure along the (111) crystal axis of opaline photonic crystals under controlled temperatures, inverse opals with symmetry broken structures are fabricated. This selective deformation results in strongly modified photonic band structures and hence optical properties of the photonic crystals. Experimental data are accompanied by theoretical band structure calculations that confirm the experimental results and are used to predict new structures with optimized band gap properties.

Type
Research Article
Copyright
Copyright © Materials Research Society 2007

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