Enhanced Bragg reflections from size-matched heterostructure photonic crystal thin films prepared by the Langmuir-Blodgett method

Bardosova, M. and Pemble, Martyn and Povey, I. M. and Tredgold, R. H. and Whitehead, Debra (2006) Enhanced Bragg reflections from size-matched heterostructure photonic crystal thin films prepared by the Langmuir-Blodgett method. ISSN 0003-6951

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Abstract

The Langmuir-Blodgett method was used to engineer photonic crystal thin films of an AB architecture. Structures were studied by transmittance and reflectance spectroscopies. For an AB structure in which the silica particle diameter B is twice that of A, reflectance features associated with the first order Bragg peak for the “A” domain are only observed when the structure is probed from the A side of the structure. Furthermore, this feature is enhanced in intensity compared to that for a structure consisting solely of A particles. These findings are attributed to a matching of first and second order Bragg processes.

Item Type: Article
Additional Information: Citation: Applied physics letters, 2006, vol. 89, no. 9..
Divisions: Faculties > Faculty of Science and Engineering > Centre for Materials Science Research: Surface Coating and Characterisation Research Group
Date Deposited: 07 Sep 2010 10:50
Last Modified: 20 Jul 2016 01:19
URI: http://e-space.mmu.ac.uk/id/eprint/110760

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