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1.3 PHYSICAL SCIENCES, Condensed matter physics, Optics, Polymer science
Holographically recorded surface relief gratings in dry, self-developing acrylamide based photopolymer were used to fabricate two types of switchable liquid crystal (LC) device. One is an electrically switchable LC diffraction grating and the other is an electrically switchable polarization rotator. The electrically switchable diffraction grating was characterized by measuring the dependence of the intensity in the first diffracted order on the applied electric field. The polarization rotator was characterized by studying the influence of the applied electric field on the twist angle and the variation of intensity in the zero and the first orders of diffraction.
Kotakonda, P. et al. (2008) Fabrication of switchable liquid crystal devices using surface relief gratings in photopolymer. Journal of Material Science (materials in electronics) (JMSE) doi:10.1007/s10854-007-9537-5