Abstract

UV absorption method supplemented by null ellipsometry technique is applied for the estimation of spatial orientational structures of azopolymer layers. The components of the order parameter tensor of azobenzene fragments are estimated for the non-irradiated state as well as for the various irradiation doses. The method is applicable for the polymers with short lifetime of cis photoisomers and in-plane uniaxial structure at some moment of structural changes.

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