5 October 1995 Nonlinear optical characterization of poly (methyl methacrylate) polymer doped with different dyes for laser waveguide fabrication
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Abstract
The charactertization of light guiding and nonlinear optical properties of thin films based on poly(methyl methacrylate) doped with organic dyes 4-dicyanomethylene-2-methyl-6-p- dimethylaminostyryl-4H-pyran (DCM), Pyrromethene 567, and sulforhodamin was done using the prism coupling technique and nonlinear optical spectroscopy. Stimulated light emission in DCM doped waveguide with apparent pump threshold and spectrum narrowing was observed at transverse pumping with frequency doubled Q-switched Nd:YAG laser. PM-567 doped waveguide being transversely pumped with CW Ar+ laser at 514 nm demonstrated fluorescence with 0.19% energy conversion slope efficiency at 616 nm spectral peak. Upconverted fluorescence was found in the same waveguide at longitudinal CW infrared pumping. Sulforhodamin doped films demonstrated multiphoton excited fluorescence and surface enhanced second harmonic generation.
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Sergey S. Sarkisov, Abdalla M. Darwish, William Bryant, Putcha Venkateswarlu, Hossin Ahmed Abdeldayem, and Donald O. Frazier "Nonlinear optical characterization of poly (methyl methacrylate) polymer doped with different dyes for laser waveguide fabrication", Proc. SPIE 2527, Nonlinear Optical Properties of Organic Materials VIII, (5 October 1995); doi: 10.1117/12.222806; https://doi.org/10.1117/12.222806
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