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Proceedings Paper

Design of photonic bandgap structures through a dual-beam multiple-exposure technique
Author(s): Robert Claude Gauthier; Khaled Mnaymneh
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Paper Abstract

We present a dual beam multiple exposure technique that can generate complex 2-D and 3-D bandgap template structures in a photosensitive material. The system parameters related to the planar interference pattern produced by the two laser beams and reorientation effect of the sample relative to these planes is discussed. Photonic crystal structures such as the 2-D square and hexagonal arrays of dielectric "rods" and "holes" and the 3-D Yablonovite and other profiles are given. We show band gap calculations for these structures and discuss a technique for increasing the band gap through laser sculpting the dielectric template profile. In addition the paper discusses how the dual beam multiple exposure technique can be used to design 2-D quasicrystal structures of low to high rotational symmetry.

Paper Details

Date Published: 20 December 2004
PDF: 10 pages
Proc. SPIE 5577, Photonics North 2004: Optical Components and Devices, (20 December 2004); doi: 10.1117/12.562643
Show Author Affiliations
Robert Claude Gauthier, Carleton Univ. (Canada)
Khaled Mnaymneh, Carleton Univ. (Canada)

Published in SPIE Proceedings Vol. 5577:
Photonics North 2004: Optical Components and Devices
John C. Armitage; Simon Fafard; Roger A. Lessard; George A. Lampropoulos, Editor(s)

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