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3 November 2003 Nonlinear optical refractive index and absorption of coordination compounds
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We measure third-order optical response of two organometallic compounds using the degenerate four wave mixing method. From measurements of DFWM efficiency, we deduce the values of third-order susceptibilities χ<3>. From measurements of χ<3>, we deduce the values of the second-order hyperpolarisabilities γ. The merit factor for each compound is given and the value obtained for the most efficient compound in terms of γ(second order hyperpolarizability) is 104 larger than the value of CS2, which is a reference material. The obtained optical nonlinearities are compared to those of other compounds previously studied. A preliminary correlation between structure and third-order optical properties is proposed.
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Anna Migalska-Zalas, Izabela Fuks-Janczarek, Aleksandra A. Apostoluk, Bouchta Sahraoui, Cecile Martineau, Gilles Lemercier, Chantal Andraud, Ivan V. Kityk, and Janusz Berdowski "Nonlinear optical refractive index and absorption of coordination compounds", Proc. SPIE 5211, Nonlinear Optical Transmission and Multiphoton Processes in Organics, (3 November 2003);

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