Photonic crystals as optical components

Photonic crystals (PCs) have already found numerous applications associated with the photonic band gap. We point out that PCs could be also employed as custom-made optical components in the linear region well below the photonic gap. As an example, we discuss a birefringent PC lens that acts as a pol...

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Bibliographic Details
Published in:Applied physics letters 1999-11, Vol.75 (18), p.2725-2727
Main Authors: Halevi, P., Krokhin, A. A., Arriaga, J.
Format: Article
Language:English
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Summary:Photonic crystals (PCs) have already found numerous applications associated with the photonic band gap. We point out that PCs could be also employed as custom-made optical components in the linear region well below the photonic gap. As an example, we discuss a birefringent PC lens that acts as a polarizing beam splitter. This idea is supported by a precise method of calculation of the optical constants of a transparent two-dimensional (2D) PC. Such a process of homogenization is performed for hexagonal arrays of polymer-based PCs and also for the mammalian cornea. Finally, 2D PCs are classified as optically uniaxial or biaxial.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.125129