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CHARACTERIZATION OF MICRON AND SUBMICRON SCALE LATERAL STRUCTURE OF OPTICALLY NONLINEAR ORGANIC FILMS

Second harmonic generation, optical microscopy, and atomic force microscopy (AFM) are used for the investigation of the thin films of azobenzene and trans-stilbene derivatives. Film morphology is studied at micron and submicron scale. The approach allows one to estimate the size and internal ordering of the crystalline molecular aggregates. The effect of the dilution with stearic acid is discussed.