7 October 1996 Nonlinear optical characterizations of metal-organic complexes with a wavelength tunable color center laser
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Abstract
We have studied the third-order nonlinearities of Ni(II) and Cu(II) metal-organic complexes in solution using wavelength tunable DFWM experiments in the 550 - 600 nm spectral region associated with d-d transitions introduced by the metal atoms. A room temperature, frequency doubled LiF:F2- color center laser was used as the tunable laser source for these experiments. Additional resonant enhancement over thermally induced nonlinearities is observed for the Cu-based metal-organic complexes in these DFWM studies. Information about the sign of the nonlinearity and relative roles of nonlinear refraction and absorption was obtained with Z-scan experiments. Energy transmission measurements indicated that nonlinear absorption occurs in all samples. Relationships between the nonlinear response and the spectral absorption features of these metal-organics are discussed.
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Vladimir B. Fleurov, Vladimir B. Fleurov, Christopher M. Lawson, Christopher M. Lawson, David C. Gale, David C. Gale, Gary M. Gray, Gary M. Gray, } "Nonlinear optical characterizations of metal-organic complexes with a wavelength tunable color center laser", Proc. SPIE 2853, Nonlinear Optical Liquids, (7 October 1996); doi: 10.1117/12.253477; https://doi.org/10.1117/12.253477
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