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Hamamatsu Corp. - Earth Innovations LB 2/24

Multidye Polymer Composite Developed for Data Storage

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Daniel S. Burgess

A multidye material developed by researchers from the University of Toronto and Princess Margaret Hospital in Toronto promises applications in ultradense optical data storage and document security as well as in the development of tunable lasers, optical limiters and chemical sensors. The approach employs different types of photosensitive dyes in different phases of the periodically structured composite polymer host to minimize crosstalk between the dyes. To produce the material, chemistry professor Eugenia Kumacheva, who holds the Canada research chair in advanced polymer materials at the...Read full article

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    Published: December 2003
    Glossary
    optical data storage
    The storage of information via optical means, primarily employing a low-power laser to inscribe data on a photosensitive surface as pits or phase differences and to read such data via reflected light in the retrieval stage. Optical data storage techniques are commonly used for writing and reading CD-ROM and DVD information as well as optical holography.
    Basic Sciencechemical sensorsdefenseMicroscopymultidye materialoptical data storageoptical limitersPrincess Margaret HospitalResearch & TechnologySensors & DetectorsTech PulseTunable LasersUniversity of Toronto

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