Temperature dependence of the optical Fréedericksz transition in dyed nematic liquid crystals

I. Janossy, L. Csillag, A. D. Lloyd

Research output: Contribution to journalArticle

131 Citations (Scopus)

Abstract

We investigated the temperature dependence of the optical Fréedericksz threshold in nematic liquid crystals doped with anthraquinone dyes. In the presence of these dyes, the Fréedericksz threshold is anomalously low and exhibits an unusual temperature dependence. A microscopic model is proposed, according to which the anisotropic orientational distribution and the rotational dynamics of the excited dye molecules play an important role in the observed phenomena.

Original languageEnglish
Pages (from-to)8410-8413
Number of pages4
JournalPhysical Review A
Volume44
Issue number12
DOIs
Publication statusPublished - Jan 1 1991

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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