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Enhanced orientational Kerr effect in vertically aligned deformed helix ferroelectric liquid crystals

Evgeny P. Pozhidaev, Abhishek Kumar Srivastava, Alexei D. Kiselev, Vladimir G. Chigrinov, Valery V. Vashchenko, Alexander I. Krivoshey, Maxim V. Minchenko, and Hoi-Sing Kwok

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Abstract

We disclose the vertically aligned deformed helix ferroelectric liquid crystal whose Kerr constant (Kkerr≈130  nm/V2 at λ=543  nm) is around one order of magnitude higher than any other value previously reported for liquid crystalline structures. Under certain conditions, the phase modulation with ellipticity less than 0.05 over the range of continuous and hysteresis-free electric adjustment of the phase shift from zero to 2π has been obtained at subkilohertz frequency.

© 2014 Optical Society of America

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