Abstract
The nonlinear optical transmission properties of fullerene-containing π-conjugated organic structures based on 2-cyclooctylamino-5-nitropyridine, 2-(n-prolinol)-5-nitropyridine, N-(4-nitrophenyl)-(L)-prolinol, and photosensitive polyimide were studied. The laws of the nonlinear optical attenuation phenomenon are established and the possible mechanisms of the laser radiation attenuation in the visible range are formulated. It is shown that an adequate explanation of the optical attenuation effect requires taking into account the reverse saturated absorption, the Fo rster transfer mechanism, the absorption due to free carriers, and the complex formation.
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