Morphology, band structure, and optical properties of artificial opals | Zendy

Davide Comoretto | Zendy; Eva Pavarini | Zendy; Mattéo Galli | Zendy; Cesare Soci | Zendy; F. Marabelli | Zendy; Lucio Claudio Andreani | Zendy

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Morphology, band structure, and optical properties of artificial opals

Author(s) -

Davide Comoretto,

Eva Pavarini,

Mattéo Galli,

Cesare Soci,

F. Marabelli,

Lucio Claudio Andreani

Publication year - 2004

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.556326

Subject(s) - photonic crystal , materials science , diffraction , optics , photonics , spectroscopy , optoelectronics , excitation , polystyrene , molecular physics , physics , polymer , quantum mechanics , composite material

Bulk polystyrene opals have been grown. Variable incidence angle reflectance spectroscopy is used to probe their\udphotonic band structures. Several different structures are observed and accounted for by theoretical calculations of\udphotonic bands and density of states. The results yield a clear distinction between diffraction in the direction of\udpropagation 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)

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