Electro-optic effects of the optically isotropic state induced by the incorporative effects of a polymer network and the chirality of liquid crystal

Yasuhiro Haseba, Hirotsugu Kikuchi

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The electro-optical properties of optically isotropic liquid-crystal line composites prepared by in-situ photo-polymerization of cross-linking monomers in the isotropic phase of chiral liquid crystals were investigated. The magnitude of the electric birefringence of the composites decreased as the chirality of the liquid crystal increased. The clear Kerr effect was observed for the composites with high chirality. A large Kerr constant, being relatively insensitive to temperature, was obtained for the composites even in a temperature range below the isotropic-chiral-nematic phase-transition temperature. The response time of the Kerr effect at room temperature was on the order of tens to hundreds of microseconds.

Original languageEnglish
Pages (from-to)551-556
Number of pages6
JournalJournal of the Society for Information Display
Volume14
Issue number6
DOIs
Publication statusPublished - Jun 1 2006

Fingerprint

Liquid Crystals
Chirality
Electrooptical effects
chirality
Liquid crystals
electro-optics
Polymers
liquid crystals
composite materials
Composite materials
polymers
Kerr effects
Photopolymerization
Birefringence
Temperature
Superconducting transition temperature
birefringence
polymerization
Optical properties
monomers

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

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abstract = "The electro-optical properties of optically isotropic liquid-crystal line composites prepared by in-situ photo-polymerization of cross-linking monomers in the isotropic phase of chiral liquid crystals were investigated. The magnitude of the electric birefringence of the composites decreased as the chirality of the liquid crystal increased. The clear Kerr effect was observed for the composites with high chirality. A large Kerr constant, being relatively insensitive to temperature, was obtained for the composites even in a temperature range below the isotropic-chiral-nematic phase-transition temperature. The response time of the Kerr effect at room temperature was on the order of tens to hundreds of microseconds.",
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AB - The electro-optical properties of optically isotropic liquid-crystal line composites prepared by in-situ photo-polymerization of cross-linking monomers in the isotropic phase of chiral liquid crystals were investigated. The magnitude of the electric birefringence of the composites decreased as the chirality of the liquid crystal increased. The clear Kerr effect was observed for the composites with high chirality. A large Kerr constant, being relatively insensitive to temperature, was obtained for the composites even in a temperature range below the isotropic-chiral-nematic phase-transition temperature. The response time of the Kerr effect at room temperature was on the order of tens to hundreds of microseconds.

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