Authors

Y. H. Huang; C. H. Wen;S. T. Wu

Comments

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"This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in the linked citation and may be found originally at Applied Physics Letters."

Abbreviated Journal Title

Appl. Phys. Lett.

Keywords

ONLY MODULATION; POLYMER; FILTER; Physics, Applied

Abstract

A polarization-independent phase modulator using a 90 degrees twisted dual-frequency liquid crystal (DFLC) is demonstrated. In addition to being polarization independent, such a phase modulator exhibits many other advantages such as being scattering-free and having large phase change, low operating voltage, and submillisecond response time. Using a 15 mu m transmissive DFLC cell, the phase shift achieves 1 pi at lambda = 633 nm and the applied voltage is lower than 25 V-rms. Potential applications of such a phase modulator for laser beam steering, tunable-focus lenses, and switchable two-dimensional/three-dimensional liquid crystal displays are foreseeable.

Journal Title

Applied Physics Letters

Volume

89

Issue/Number

2

Publication Date

1-1-2006

Document Type

Article

Language

English

First Page

3

WOS Identifier

WOS:000239793100003

ISSN

0003-6951

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