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1 March 2010 Photostability enhancement studies on zwitterionic chromophores for nonlinear optics
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Abstract
Optical and photostability measurements have been made on nonlinear optical films containing amorphous polycarbonate and an organic chromophore that has a high 2nd order nonlinear optical figure of merit. We show that the decrease in the photodegradation quantum efficiency with increasing optical intensity can be modelled in terms of oxygen depletion by oxygen-mediated chomophore photodegradation. The addition of a known singlet oxygen quencher, beta carotene, leads to a 1100% decrease in the photodegradation quantum efficiency.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. G. Raymond, S. Janssens, My T. T. Do, G. V. M. Williams, N. Denton, J. Anderson, and M. D. H. Bhuiyan "Photostability enhancement studies on zwitterionic chromophores for nonlinear optics", Proc. SPIE 7599, Organic Photonic Materials and Devices XII, 759914 (1 March 2010); https://doi.org/10.1117/12.841269
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