Abstract
Advances in organic molecular beam epitaxy techniques1 have made it possible to investigate the nonlinear optical properties of ordered organic supramolecular assemblies. The epitaxial thin films have optical absorptions that are much narrower than polycrystalline absorptions. Central questions that need to be resolved in this context are the nature of intermolecular interactions and whether or not the nonlinear optical properties are determined by the molecular hyperpolarizabilities alone.
© 1994 Optical Society of America
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