Electro-optic response of some chiral liquid crystals with high spontaneous polarization

Constanta Dascalu; Cornelia Motoc; Emil Petrescu; Constantin Rosu; H. D. Koswig; U. Labes

doi:10.1117/12.312665

2 July 1998 Electro-optic response of some chiral liquid crystals with high spontaneous polarization

Constanta Dascalu, Cornelia Motoc, Emil Petrescu, Constantin Rosu, H. D. Koswig, U. Labes

Proceedings Volume 3405, ROMOPTO '97: Fifth Conference on Optics; (1998) https://doi.org/10.1117/12.312665
Event: ROMOPTO '97: Fifth Conference on Optics, 1997, Bucharest, Romania

Abstract

The electrooptical properties of some SSFLC devices with high spontaneous polarization liquid crystals are presented. The switching time was determined as function of electric field strength and a.c. frequency. Using the switching time the rotational viscosity (gamma) _{$curly phi} was determined. The results are explained by considering the spectacular molecular relaxation, known as Goldstone mode. The surface stabilized ferroelectric liquid crystal (SSFLC) devices offer memory (bistable) capability, fast response speed and sharp threshold and have a variety of applications in electronics.

Citation Download Citation

Constanta Dascalu, Cornelia Motoc, Emil Petrescu, Constantin Rosu, H. D. Koswig, and U. Labes "Electro-optic response of some chiral liquid crystals with high spontaneous polarization", Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); https://doi.org/10.1117/12.312665

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