Abstract

The nonlinear transmission of the liquid crystal-conductive polymer (polyaniline)-fullerence (C60) system in the near-infrared spectral region at 1080 and 805 nm is considered for the first time. The output radiation intensity is studied as a function of the fullerence concentration and the energy density of the incident radiation in the nano- and femtosecond scales. The experimental results are explained by the formation of an organic donor-fullerene complex, as well as by possible absorption of fullerence C60 at the 1 6-eV transition, which is forbidden in pure fullerene structures.

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