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Proceedings Paper

Multi-wavelength cholesteric liquid crystal laser
Author(s): Chun-Ta Wang; Tsung-Hsien Lin
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Paper Abstract

Multi-wavelength lasing in a dye-doped cholesteric liquid crystal (CLC) cell is demonstrated. By adding oversaturated chiral dopant, the multi-photonic band CLC structure can be obtained with non-uniform chiral solubility. Under appropriate excitation, multi-wavelength lasing can be achieved with a multi-photonic band edge CLC structure. The number of lasings can be controlled under various temperature processes. Nine wavelength CLC lasings were observed simultaneously. The wavelength range covers around 600-675nm.

Paper Details

Date Published: 3 February 2009
PDF: 6 pages
Proc. SPIE 7232, Emerging Liquid Crystal Technologies IV, 72320L (3 February 2009); doi: 10.1117/12.807888
Show Author Affiliations
Chun-Ta Wang, National Sun Yat-Sen Univ. (Taiwan)
Tsung-Hsien Lin, National Sun Yat-Sen Univ. (Taiwan)

Published in SPIE Proceedings Vol. 7232:
Emerging Liquid Crystal Technologies IV
Liang-Chy Chien; Ming Hsien Wu, Editor(s)

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