<title>IR laser action on fullerene-doped organic systems</title>

Abstract

An optical limiting of the laser radiation over IR range in organic compounds based on polyimide has been studied. The non-linear transmission at a wavelength of 1 3 1 5 nm as well as spectral properties of the compounds have been investigated.The results obtained have been explained by the donor-acceptor interaction mechanism that affects nonlinear-optical properties of organic molecules. The fullerene-doped polyimide structures have been determined to be effective optical limiting materials for attenuating a power density of more than 2 J•cm2 in the IR range.