Full geometry dependence of index contrast in photorefractive polymer composites

Sarah P. Bant; David J. Binks; David P. West

doi:10.1364/AO.41.002111

Full geometry dependence of index contrast in photorefractive polymer composites

Sarah P. Bant, David J. Binks, David P. West

Research output: Contribution to journal › Article › peer-review

Abstract

Detailed analysis of the relationship between the experimental geometry and the holographic contrast in photorefractive polymers is important for applications, such as angle multiplexing in holographic data storage. In this paper the field dependent photogeneration efficiency is introduced into the complete reorientational model to provide a full account of the electric field and geometrical dependence of the index contrast. The interaction of a local grating and the photorefractive grating is also considered. A simplification for acute angles between writing beams is described. Experimental verification by use of four-wave mixing and transmission ellipsometry reveals an excellent agreement between theory and measurement. © 2002 Optical Society of America.

Original language	English
Pages (from-to)	2111-2115
Number of pages	4
Journal	Applied Optics
Volume	41
Issue number	11
DOIs	https://doi.org/10.1364/AO.41.002111
Publication status	Published - 2002

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10.1364/AO.41.002111

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title = "Full geometry dependence of index contrast in photorefractive polymer composites",

abstract = "Detailed analysis of the relationship between the experimental geometry and the holographic contrast in photorefractive polymers is important for applications, such as angle multiplexing in holographic data storage. In this paper the field dependent photogeneration efficiency is introduced into the complete reorientational model to provide a full account of the electric field and geometrical dependence of the index contrast. The interaction of a local grating and the photorefractive grating is also considered. A simplification for acute angles between writing beams is described. Experimental verification by use of four-wave mixing and transmission ellipsometry reveals an excellent agreement between theory and measurement. {\textcopyright} 2002 Optical Society of America.",

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AU - West, David P.

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AB - Detailed analysis of the relationship between the experimental geometry and the holographic contrast in photorefractive polymers is important for applications, such as angle multiplexing in holographic data storage. In this paper the field dependent photogeneration efficiency is introduced into the complete reorientational model to provide a full account of the electric field and geometrical dependence of the index contrast. The interaction of a local grating and the photorefractive grating is also considered. A simplification for acute angles between writing beams is described. Experimental verification by use of four-wave mixing and transmission ellipsometry reveals an excellent agreement between theory and measurement. © 2002 Optical Society of America.

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DO - 10.1364/AO.41.002111

M3 - Article

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SP - 2111

EP - 2115

JO - Applied Optics

JF - Applied Optics

IS - 11

ER -

Full geometry dependence of index contrast in photorefractive polymer composites

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