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8 March 1989 New Organic Second-Order Nonlinear Optical Materials Developed By Using The Molecular Design Method
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Proceedings Volume 1017, Nonlinear Optical Materials; (1989) https://doi.org/10.1117/12.949966
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany
Abstract
A molecular design method of second-order nonlinear optical materials for SHG device applications of diode lasers is proposed. The method consists of a semi-empirical MO calculation (CNDO/S3-CI) to evaluate molecular nonlinear optical properties, i.e. hyperpolarizability and the lowest excited energy, and an intermolecular interaction energy calculation to evaluate its crystallization property, in particular whether it crystallizes in a centrosymmetric structure or not. In the latter calculation, the empirical atom-atom pairwise potential functions, for example Lennard-Jones type, are used to evaluate intermolecular interaction energy of two molecules or the crystal energy. Using this method we design and synthesized novel second-order nonlinear optical materials for our target applications: xanthone and benzophenone derivatives which have relatively large optical nonlinearity and very short absorption cut-off wavelength.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yuzo Itoh, Kayo Oono, Masato Isogai, and Atsusi Kakuta "New Organic Second-Order Nonlinear Optical Materials Developed By Using The Molecular Design Method", Proc. SPIE 1017, Nonlinear Optical Materials, (8 March 1989); https://doi.org/10.1117/12.949966
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