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Proceedings Paper

Morphology, band structure, and optical properties of artificial opals
Author(s): Davide Comoretto; Eva Pavarini; Matteo Galli; Cesare Soci; Franco Marabelli; Lucio Claudio Andreani
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Paper Abstract

Bulk polystyrene opals have been grown. Variable incidence angle reflectance spectroscopy is used to probe their photonic band structures. Several different structures are observed and accounted for by theoretical calculations of photonic bands and density of states. The results yield a clear distinction between diffraction in the direction of propagation by the (111) family planes (leading to the formation of the stop band) and diffraction in other directions by higher-order planes (corresponding to excitation of photonic modes in the crystal).

Paper Details

Date Published: 14 October 2004
PDF: 9 pages
Proc. SPIE 5511, Tuning the Optical Response of Photonic Bandgap Structures, (14 October 2004); doi: 10.1117/12.556326
Show Author Affiliations
Davide Comoretto, INFM, Univ. degli Studi di Genova (Italy)
Eva Pavarini, INFM, Univ. degli Studi di Pavia (Italy)
Matteo Galli, INFM, Univ. degli Studi di Pavia (Italy)
Cesare Soci, INFM, Univ. degli Studi di Pavia (Italy)
Franco Marabelli, INFM, Univ. degli Studi di Pavia (Italy)
Lucio Claudio Andreani, INFM, Univ. degli Studi di Pavia (Italy)


Published in SPIE Proceedings Vol. 5511:
Tuning the Optical Response of Photonic Bandgap Structures
Philippe M. Fauchet; Paul V. Braun, Editor(s)

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