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15 October 2012 Measuring electric field dependent photodegradation and recovery of disperse orange 11 dye doped polymer thin films using photoconductivity and digital imaging microscopy
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Abstract
One of the limiting factors of optical devices for space applications is photodamage from high intensity light and radiation. Dye doped polymers offer many advantages in device design but are susceptible to photodamage, especially due to high intensity UV radiation. Several organic dyes have been observed to self heal after photodegradation. We seek to understand the underlying mechanism with the goal of designing materials that are more robust to photodegradation. We test the hypothesis that photodegradation is due to charge injection into the polymer and healing due to recombination using photoconductivity and imaging measurements of disperse orange 11(DO11) doped into PMMA.
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Benjamin Anderson, Sheng Ting Hung, and Mark G. Kuzyk "Measuring electric field dependent photodegradation and recovery of disperse orange 11 dye doped polymer thin films using photoconductivity and digital imaging microscopy", Proc. SPIE 8519, Nanophotonics and Macrophotonics for Space Environments VI, 85190H (15 October 2012); https://doi.org/10.1117/12.929776
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