Title

Cell gap effect on the dynamics of liquid crystal phase modulators

Authors

Authors

H. Y. Wang; X. Y. Nie; T. X. Wu;S. T. Wu

Comments

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Abbreviated Journal Title

Mol. Cryst. Liquid Cryst.

Keywords

cell gap effect; optical response time; small angle approximation; spatial light modulator; transient nematic effect; Crystallography

Abstract

This paper provides a complete physical picture of optical response time as a function of cell gap (d) in a wide voltage regime. Normally both rise and decay times are known to be proportional to d 2 in the small angle approximation (V-th < V < root 2V(th)), and in the high voltage regime where V pi < V < V-i the optical decay time is independent of d. In this paper, we found that between these two extremes there is a region where the response time is linearly proportional to d. Our analytical derivation is confirmed by experimental results.

Journal Title

Molecular Crystals and Liquid Crystals

Volume

454

Publication Date

1-1-2006

Document Type

Article

Language

English

First Page

285

Last Page

295

WOS Identifier

WOS:000238565000024

ISSN

1542-1406

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