Optical reorientation measurements in dye-doped nematic liquid crystals are reported. The dye-induced optical torque exceeds significantly the normal optical torque for all anthraquinone dyes investigated. With one of the dyes, optical Freedericksz transition in a planar layer is demonstrated.
© 1992 Optical Society of America
I. Jánossy and T. Kósa, "Influence of anthraquinone dyes on optical reorientation of nematic liquid crystals," Opt. Lett. 17, 1183-1185 (1992)