TY - JOUR A1 - Rutloh, M. A1 - Zebger, I. A1 - Hoffmann, U. A1 - Stumpe, Joachim A1 - Siesler, H. W. T1 - Photo-Induced orientation effects parallel and perpendicular to the polarization vector of the incident light observed in the same azobenzene containing LC polymer Y1 - 1998 ER -