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7282322 |
Long-term high temperature and humidity stable holographic optical data storage media compositions with exceptional high dynamic range
A novel photoimageable system for a two-chemistry system containing liquid photoreactive asymmetric acrylate compound containing sulfur, aromatic moieties, and optionally bromine, and an aluminum...
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7229741 |
Exceptional high reflective index photoactive compound for optical applications
A novel liquid photoreactive asymmetric acrylate compound containing sulfur, aromatic moieties, and optionally bromine, and having high dynamic range sensitivity is disclosed. The acrylate compound...
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7024065 |
Optical waveguide device and method of manufacture therefor
The present invention provides an optical waveguide device, a method for manufacturing an optical waveguide device, and a method for manufacturing an optical communications device. In an...
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EP1594921A1 |
PHOTOPOLYMERIZABLE COMPOSITION AND PHOTOPOLYMERIZABLE FILM PREPARED THEREFROM
Abstract not available for EP1594921 Abstract of corresponding document: US2005101687 A photopolymerizable composition of the present invention, comprising a specific acryl- or methacryl-based...
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6710900 |
Holograms exposed and processed on plastic substrates
A holographic recording material coupled to a plastic substrate can be exposed to an interference pattern formed by at least one coherent light source, and subsequently processed, thereby...
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6627354 |
Photorecording medium, process for fabricating medium, and process for holography using medium
A photorecording medium contains a polymeric matrix, typically cross-linked to provide a desired level of physical stability, and a photoimageable system containing a photoactive monomer. Unlike...
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6512606 |
Optical storage media and method for optical data storage via local changes in reflectivity of a format grating
An optical data storage system and method comprising a photopolymer medium having generally a polymerizable monomer, an active binder, a first, hologram recording polymerization initiator, and a...
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6482551 |
Optical article and process for forming article
The optical article of the invention, e.g., holographic recording medium or polymeric waveguide, is formed by mixing a matrix precursor and a photoactive monomer, and curing the mixture to form the...
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6322933 |
Volumetric track definition for data storage media used to record data by selective alteration of a format hologram
A photoactive medium has a complex format grating written thereon, the complex format grating including at least three component gratings, each of the component gratings characterized by a unique...
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6322931 |
Method and apparatus for optical data storage using non-linear heating by excited state absorption for the alteration of pre-formatted holographic gratings
The present invention comprises an optical data storage system utilizing a host material and molecules that exhibit non-linear absorption dissolved therein. The non-linear absorbing molecules allow...
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6310850 |
Method and apparatus for optical data storage and/or retrieval by selective alteration of a holographic storage medium
An apparatus and method for optical data storage and/or retrieval using an optical data storage medium having a spatially-modulated refractive index that can be altered locally with optical...
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6103454 |
Recording medium and process for forming medium
The photorecording medium of the invention is formed by mixing a matrix precursor and a photoactive monomer, and curing the mixture to form the matrix in situ. The reaction by which the matrix...
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