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Type: Artigo de periódico
Title: Refractive index effect in the lattice geometry of photonic crystals generated by multi-exposure interference patterns
Author: Menezes, JW
de Carvalho, EJ
Braga, ES
Cescato, L
Abstract: Different types of 2D and 3D photonic crystal lattices may be recorded using the multi-exposure of dual beam interference patterns by varying the number of exposures and the rotation angles of the sample between the exposures. The lattice geometry of the photonic crystal is a crucial parameter for the appearance of photonic band gaps. In this paper we show both theoretically and experimentally that for certain types of structure the lattice geometry of the superimposed interference pattern, inside the photosensitive material, changes drastically due to light refraction.
Subject: holography
structured photonic materials
photonic crystals
Country: Inglaterra
Editor: Iop Publishing Ltd
Citation: Journal Of Optics A-pure And Applied Optics. Iop Publishing Ltd, v. 11, n. 7, 2009.
Rights: fechado
Identifier DOI: 10.1088/1464-4258/11/7/075103
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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