Self-Assembly of Organic Films for Nonlinear Optical Materials
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Second-order nonlinear optical (NLO) materials possess noncentrosymmetric structures in which there is a net orientation of an NLO-active constituent. Materials that exhibit second-order NLO properties are the active components in optoelectronic devices such as electro-optic modulators and frequency doubling devices. Nonlinear optics refers to the optical response of a material that relates the polarization vector P to an applied electric field E.