New method of determination of the Fr eedericksz threshold based upon precise fluctuation measurement - ENS de Lyon - École normale supérieure de Lyon Accéder directement au contenu
Article Dans Une Revue Applied Physics Letters Année : 2013

New method of determination of the Fr eedericksz threshold based upon precise fluctuation measurement

Aude Caussarieu
  • Fonction : Auteur
  • PersonId : 764838
  • IdRef : 167458906
Artyom Petrosyan
  • Fonction : Auteur
  • PersonId : 844671
Sergio Ciliberto
  • Fonction : Auteur
  • PersonId : 829236

Résumé

In this paper we report a new method for determining the critical threshold of the Fr eedericksz transition driven by an electric field. It is based on the measurement of the amplitude of the molecule fluctuations as a function of the voltage di erence applied to a planar nematic cell. The precise measurement of the director fluctuations of the liquid crystal is made possible by the use of a very precise and sensitive polarization interferometer. The great advantage of the method is that it does not depend on complex ts as it is usually done in literature.
Fichier principal
Vignette du fichier
threshold_Fredericks.pdf (357.75 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

ensl-00852856 , version 1 (21-08-2013)

Identifiants

Citer

Aude Caussarieu, Artyom Petrosyan, Sergio Ciliberto. New method of determination of the Fr eedericksz threshold based upon precise fluctuation measurement. Applied Physics Letters, 2013, 103 (144109), pp.4. ⟨ensl-00852856⟩
94 Consultations
88 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More