Effect of Chiral Agents on the Optical Fréedeericksz Transition in a Homeotropically Aligned Nematic Film

Giancarlo Abbate; Alessandro Ferraiuolo; Pasqualino Maddalena; Lorenzo Marrucci; Enrico Santamato

doi:10.1364/NLO.1992.MD29

Nonlinear Optics: Materials, Fundamentals, and Applications
Technical Digest Series (Optica Publishing Group, 1992),
paper MD29
•https://doi.org/10.1364/NLO.1992.MD29

Effect of Chiral Agents on the Optical Fréedeericksz Transition in a Homeotropically Aligned Nematic Film

Giancarlo Abbate, Alessandro Ferraiuolo, Pasqualino Maddalena, Lorenzo Marrucci, and Enrico Santamato

Nonlinear Optics 1992

Lahaina, Maui, Hawaii United States
17–21 August 1992
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G. Abbate, A. Ferraiuolo, P. Maddalena, L. Marrucci, and E. Santamato, "Effect of Chiral Agents on the Optical Fréedeericksz Transition in a Homeotropically Aligned Nematic Film," in Nonlinear Optics: Materials, Fundamentals, and Applications, Technical Digest Series (Optica Publishing Group, 1992), paper MD29.

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Abstract

Mixtures of nematic liquid crystals (NLC) and cholesteric liquid crystals (CLC) have been widely studied in recent years mainly because of their practical interest in the realization of liquid crystal displays, e.g. twisted or supertwisted cells. Since the 70's it was well established that very small amounts of chiral agents, like CLC, can induce an helical structure on the equilibriun configuration of an NLC cell, modifying its response to external fields.¹

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