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Proceedings Paper

Light transmission and scattering in engineered colloidal hetero-crystals
Author(s): Boyang Ding; Maria Bardosova; Ian Povey; Martyn E. Pemble; Sergei G. Romanov
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Paper Abstract

Heterogeneous 3-dimensional photonic crystals have been prepared by sandwiching self-assembled opal films and forced-assembled Langmuir-Blodgett colloidal crystal films. Strong transformation of the transmission spectra of the light traversing such hetero-crystals has been observed and interpreted in terms of the mismatch between eigenmodes of these photonic crystals and subsequent strong scattering at the interface between these crystals. Direct measurements of the spectra of forward scattered light have confirmed the peculiar character of the light scattering at the photonic crystal interface.

Paper Details

Date Published: 6 May 2008
PDF: 9 pages
Proc. SPIE 6989, Photonic Crystal Materials and Devices VIII, 698903 (6 May 2008); doi: 10.1117/12.780876
Show Author Affiliations
Boyang Ding, Tyndall National Institute, Univ. College Cork (Ireland)
Maria Bardosova, Tyndall National Institute, Univ. College Cork (Ireland)
Ian Povey, Tyndall National Institute, Univ. College Cork (Ireland)
Martyn E. Pemble, Tyndall National Institute, Univ. College Cork (Ireland)
Sergei G. Romanov, Tyndall National Institute, Univ. College Cork (Ireland)
Ioffe Physical Technical Institute (Russia)


Published in SPIE Proceedings Vol. 6989:
Photonic Crystal Materials and Devices VIII
Richard M. De La Rue; Ceferino López; Michele Midrio; Pierre Viktorovitch, Editor(s)

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