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    INFRARED PRESENSITIZATION PHOTOGRAPHY.

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    Author
    GEARY, JOSEPH MARTIN.
    Issue Date
    1984
    Keywords
    Infrared photography.
    Advisor
    Slater, Philip N.
    
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    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    Infrared presensitization photography (IRPP) is a double exposure technique that allows the recording of IR information on standard silver halide films not ordinarily sensitive in this long wavelength regime. This dissertation prescribes conditions for the practical implementation of the IRPP process in data collection. It then moves on to an investigation of mechanism, i.e., "why does IRPP work?" The study is divided into experimental and theoretical portions, with much heavier emphasis on the former. Experiments delve into the behavior of the characteristic and spectral sensitivity curves of film within the context of the IRPP phenomenon. The temperature rise experienced by the film during this process is determined. The influence of sensitizing dyes and ionic population increases in the grain crystals is also explored. Theoretical efforts concentrate on an extension of the Shaw photographic model to explain the IRPP effect in terms of a down-shifting in the overall quantum sensitivity requirements of the grain population.
    Type
    text
    Dissertation-Reproduction (electronic)
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Optical Sciences
    Graduate College
    Degree Grantor
    University of Arizona
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