3 November 2005 Background host effects on the nonlinear photophysical properties of a two-photon absorbing dye
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Organic materials exhibiting strong two-photon absorption cross-sections and subsequent up-converted fluorescence have been targeted for use in a variety of applications including optical data storage, nondestructive imaging, frequency up-converted lasing, and microfabrication. In order for these materials to be useful in practical application they must either be coupled with a liquid solvent or doped into a solid host material. The purpose of this study is to examine effects of different host environments on the nonlinear photophysical properties of AF-455, a recently developed organic two-photon absorber. We present results of experiments using both emission and absorption methods to characterize the linear and nonlinear response of AF-455 dissolved in solvents of varying polarity and doped in a polymer (PMMA) matrix.
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David J. Pikas, David J. Pikas, Mark A. Walker, Mark A. Walker, Christopher D. Brewer, Christopher D. Brewer, Bala Sankaran, Bala Sankaran, Loon-Seng Tan, Loon-Seng Tan, Mark G. Kuzyk, Mark G. Kuzyk, Sean M. Kirkpatrick, Sean M. Kirkpatrick, Peter E. Powers, Peter E. Powers, "Background host effects on the nonlinear photophysical properties of a two-photon absorbing dye", Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 59890P (3 November 2005); doi: 10.1117/12.630693; https://doi.org/10.1117/12.630693

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