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Title: Design of three-component one-dimensional photonic crystals for alteration of optical contrast and omni-directional reflection
Sponsor: Irish Research Council for Science Engineering and Technology
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Keywords: Optics
1D Photonic Crystal
Tunable Photonic Crystal
Multi-component Photonic Crystal
Photonic Band Gap
Photonic Gap Map
Issue Date: 2010
Publisher: SPIE
Citation: Anna V. Baldycheva, Vladimir A. Tolmachev, Tatiana S. Perova and Kevin Berwick, Design of three-component one-dimensional photonic crystals for alteration of optical contrast and omni-directional reflection, Proceedings Of SPIE, 7713, 2010, 771321/1-7
Series/Report no.: Proceedings Of SPIE;
Abstract: In this study, three-component One-Dimensional (1D) Photonic Crystal (PC) structures were investigated by modeling them as two-component PCs with an additional regular layer. The Gap Map approach and the Transfer Matrix Method were used in order to mathematically describe these structures. The introduction of a third component to a 1D PC allows manipulation of the optical contrast to a high degree of precision by varying the thickness and refractive index of the additional layer. It also partially reduces the area of the photonic band gaps (PBGs) on the gap map, leaving the remainder of the PBG area unchanged from that of the gap map for the original, two-component, PC. Using this approach to decrease the optical contrast in photonic crystals allows omni-directional bands to be obtained in highcontrast periodic structures constructed from, for example, an array of silicon and air.
Description: PUBLISHED
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Appears in Collections:Electronic & Electrical Eng (Scholarly Publications)

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