Title

Enhancing cholesteric liquid crystal laser performance using a cholesteric reflector

Authors

Authors

Y. Zhou; Y. Huang;S. T. Wu

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

PHOTONIC BAND-EDGE; EMISSION; FILM; GAP; Optics

Abstract

A high performance dye-doped cholesteric liquid crystal (CLC) laser is demonstrated by incorporating a passive CLC reflector to the active cell. The polarization-conserved CLC reflector effectively increases the distributed feedback cavity length which, in turn, results in a significant enhancement in lasing efficiency and a dramatic reduction in beam divergence. The lasing characteristics are still dominated by the circularly polarized light with the same sense as the cholesteric helix. (c) 2006 Optical Society of America.

Journal Title

Optics Express

Volume

14

Issue/Number

9

Publication Date

1-1-2006

Document Type

Article

Language

English

First Page

3906

Last Page

3916

WOS Identifier

WOS:000237296200021

ISSN

1094-4087

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