Quadratic Nonlinear Optical Properties of Correlated Chromophores: Cyclic 6,6'-Dinitro-1,1'-Binaphthyl-2,2'-Ethers

Abstract

The first hyperpolarizability, , of a series of cyclic 6,6¿-dinitro-1,1¿-binaphthyl-2,2¿-ethers has been analyzed with hyper-Rayleigh scattering and electric-field-induced second-harmonic-generation and compared with the absorption data and semi-empirical calculations. The results show the critical dependence of on the conformation of the alkoxy donor and the dihedral angle of the binaphthyl unit