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Evaluation of optical anisotropy in the pretransitional regime in antiferroelectric liquid crystals

Taylor & Francis
Publication Date
  • 621
  • 3 Ingegneria Elettrotecnica
  • Illuminazione
  • Superconduttivita'
  • Ingegneria Magnetica
  • Ottica Applicata
  • Tecnologia Parafotica
  • Elettronica
  • Ingegneria Delle Comunicazioni
  • Elaboratori


By measuring the transmission through an antiferroelectric liquid crystal device (placed between crossed polarizers) as a function of both orientation and applied field in the so-called electroclinic-like, pretransitional regime the behaviour of the eVective optic axis tilt angle (y)and eVective optic anisotropy (Dn) is determined. The relatively poor alignment obtained in antiferroelectric liquid crystal devices is allowed for in the data interpretation and high quality results are presented.

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