Optical investigation of the vector field of directors in the boundaried nematic medium under electric and magnetic fields

Jerzy Kedzierski; Zbigniew Raszewski; Jolanta Rutkowska; Tadeusz Opara; Jerzy Zielinski; Jozef Zmija; Roman S. Dabrowski

doi:10.1117/12.156987

15 October 1993 Optical investigation of the vector field of directors in the boundaried nematic medium under electric and magnetic fields

Jerzy Kedzierski, Zbigniew Raszewski, Jolanta Rutkowska, Tadeusz Opara, Jerzy Zielinski, Jozef Zmija, Roman S. Dabrowski

Author Affiliations +

Proceedings Volume 1845, Liquid and Solid State Crystals: Physics, Technology and Applications; (1993) https://doi.org/10.1117/12.156987
Event: Liquid and Solid State Crystals: Physics, Technology, and Applications, 1992, Zakopane, Poland

Abstract

We have measured both change in phase differences (delta) between ordinary and extraordinary rays passing through liquid crystal cell and dielectric constants (epsilon) of 4- trans-n-hexyl-cyclohekxyl-isothiocyanatobenzene (6CHBT). The results of the studies for different alignment and thicknesses under various electric measuring and magnetic fields are presented. The obtained experimental results and the discussion on the base of the Oseen and Frank elastic continuum theory of a nematic in the presence of electric and magnetic fields make it possible to calculate the vector field of directors in the LC medium.

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Jerzy Kedzierski, Zbigniew Raszewski, Jolanta Rutkowska, Tadeusz Opara, Jerzy Zielinski, Jozef Zmija, and Roman S. Dabrowski "Optical investigation of the vector field of directors in the boundaried nematic medium under electric and magnetic fields", Proc. SPIE 1845, Liquid and Solid State Crystals: Physics, Technology and Applications, (15 October 1993); https://doi.org/10.1117/12.156987

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