General Electric Company

Mahesh Kisan Chaudhari

Gary Charles Davis

Kathryn Lynn Longley

Shantaram Narayan Naik

Yogendrasinh Bharatsinh Chauhan

Christoph Georg Erben

Sumeet Jain

Michael Jeffrey McLaughlin

Moitreyee Sinha

Jyoti Balkrishna Shet

Varadarajan Sundararaman

The present invention provides a method for storing holographic data comprising providing a holographic storage medium comprising an optically transparent substrate including a photochemically active dye having at least two nitrone groups; and irradiating the optically transparent substrate with a holographic interference pattern, wherein the pattern has a first wavelength and an intensity both sufficient to convert, within a volume element of the substrate, at least some of the photochemically active dye into a photo-product, and producing within the irradiated volume element concentration variations of the photo-product corresponding to the holographic interference pattern, thereby producing a first optically readable datum corresponding to the volume element.

Compositions and methods for storing holographic data

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Jalgaon, IN, United States of America

Mahesh Kisan Chaudhari