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PublisherThe University of Arizona.
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction, presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
AbstractAn anomalous phase defect has been observed in a particular type of broadband coating which exhibits a dispersive effect on transmitted imagery, decreasing the perceived contrast at specific wavelengths. This paper provides an overview of coating methods and technology with potential sources of defects and outlines the development of a physical optics defect model based on observed spectral data. Model results are then used to investigate the impact of defect size and position on an image transmitted through the coating as a function of wavelength. Lastly, an overview of a proposed laboratory window screening method is provided, which will screen a coated spare window filter for the presence of defects.
Degree ProgramGraduate College