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1998•Japanese Journal of Applied PhysicsRequires access

A Two-Dimensional Stokes Parameter Method for Determination of Cell Thickness and Twist Angle Distributions in Twisted Nematic Liquid Crystal Devices

Zhan He, Ying Zhou, Susumu Sato

Open publisher page 19 citations

Abstract

In order to determine 2-dimensional (2D) cell thickness and twist angle distributions in twisted nematic (TN) liquid crystal (LC) devices, we propose a 2D Stokes parameter method (2DSPM). A 2DSPM system is set up using a polarizing microscope, in which some preliminary experiments are conducted to demonstrate the validity of this 2DSPM. Experimental results of 2D distributions of cell thickness and twist angle in TN LC sample cells are given for the first time. The measurement accuracy of the 2DSPM system is analyzed.

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What this paper is about

In order to determine 2-dimensional (2D) cell thickness and twist angle distributions in twisted nematic (TN) liquid crystal (LC) devices, we propose a 2D Stokes parameter method (2DSPM). A 2DSPM system is set up using a polarizing microscope, in which some preliminary experiments are conducted to demonstrate the validity of this 2DSPM. Experimental results of 2D distributions of cell thickness and twist angle in TN LC sample cells are given for the first time. The measurement accuracy of the 2DSPM system is analyzed.

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Available abstract

In order to determine 2-dimensional (2D) cell thickness and twist angle distributions in twisted nematic (TN) liquid crystal (LC) devices, we propose a 2D Stokes parameter method (2DSPM). A 2DSPM system is set up using a polarizing microscope, in which some preliminary experiments are conducted to demonstrate the validity of this 2DSPM. Experimental results of 2D distributions of cell thickness and twist angle in TN LC sample cells are given for the first time. The measurement accuracy of the 2DSPM system is analyzed.

Key concepts: Liquid crystal, Twist, Materials science, Optics, Stokes parameters, Biaxial nematic, Molecular physics, Condensed matter physics

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A Two-Dimensional Stokes Parameter Method for Determination of Cell Thickness and Twist Angle Distributions in Twisted Nematic Liquid Crystal Devices — Research Paper | ScholarLens