26 September 2007 Hardening of polymer optical materials with laser cycling and gamma-rays
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When certain molecules are doped into polymers, they are photo-chemically more stable to photodegradation than the same molecule in liquid solution or crystalline form. Furthermore, such composite materials are also found to self heal after photo-damage when they are stored in the dark. Repeated laser cycling of these dye-doped polymers make them more immune to future photodegradation. In parallel, it has been observed that electrooptic devices made with poled dye-doped polymers become more robust upon irradiation by gamma-rays. In the present work, we combine both gamma radiation and laser cycling and find that the synergism between the two processes may result in more robust materials.
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Mark G. Kuzyk, Mark G. Kuzyk, Edward W. Taylor, Edward W. Taylor, Natnael Embaye, Natnael Embaye, Ye Zhu, Ye Zhu, Juefei Zhou, Juefei Zhou, } "Hardening of polymer optical materials with laser cycling and gamma-rays", Proc. SPIE 6713, Nanophotonics and Macrophotonics for Space Environments, 671308 (26 September 2007); doi: 10.1117/12.739488; https://doi.org/10.1117/12.739488

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