Abstract
Holographic data recording appears to have several advantages over conventional optical and magnetic recording methods [1].[2] A high read/write rate can be achieved by utilizing massively parallel reading and writing schemes. High storage density can be obtained by multiplexing many holograms within the same volume. Photorefractive materials are promising candidates for reversible holographic optical storage applications[3]. The photorefractive effect has been studied for years in inorganic crystals[4][5] and has quite recently been observed in thin polymer films[6][7]. Gray scale imaging has been observed in both inorganic[8] and polymeric[9] photorefractive materials. A meaningful assessment of a material’s potential for digital data storage requires experiments involving practical data storage schemes. In this paper, we describe the development of a new class of highly efficient photorefractive materials based on organic glasses and the testing of these materials using a sophisticated holographic data storage test stand built specifically for this purposef[10].
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Schedule a callMore From: Pure and Applied Optics: Journal of the European Optical Society Part A
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