Multi-wavelength laser emission in dye-doped photonic liquid crystals

被引：24
|
作者：
Wang, Chun-Ta
Lin, Tsung-Hsien [1 ]
机构：
[1] Natl Sun Yat Sen Univ, Inst Electroopt Engn, Kaohsiung 804, Taiwan
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 22期
关键词：
D O I：
10.1364/OE.16.018334
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 lasing wavelengths can be controlled under various temperature processes. Nine wavelength CLC lasings were observed simultaneously. The wavelength range covers around 600-675nm. Furthermore, reversible tuning of multi-wavelength lasing was achieved by controlling CLC device temperature. (C) 2008 Optical Society of America
引用
收藏
页码：18334 / 18339
页数：6
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