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Proceedings Paper

In-depth study of the pseudogap in artificial opals
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Paper Abstract

In this work we present optical and structural characterisation of high-quality opal based photonic crystals consisting of polystyrene spheres ordered into a FCC lattice. By means of optical diffraction we orient our samples so that the evolution of its spectral features in reflectivity experiments may be probed along desired directions in reciprocal space. Prior to a comparison with calculated bands, finite size effects in the optical properties of the samples are taken into account. Further, attention is paid to the appearance of spectral features for energies above those where the characteristic Bragg peak is found.

Paper Details

Date Published: 15 September 2004
PDF: 10 pages
Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); doi: 10.1117/12.544951
Show Author Affiliations
Juan Francisco Galisteo-Lopez, Instituto de Ciencia de Materiales de Madrid, CSIC (Spain)
Cefe Lopez, Instituto de Ciencia de Materiales de Madrid, CSIC (Spain)


Published in SPIE Proceedings Vol. 5450:
Photonic Crystal Materials and Nanostructures
Richard M. De La Rue; Pierre Viktorovitch; Clivia M. Sotomayor Torres; Michele Midrio, Editor(s)

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