Multi-wavelength laser from dye-doped cholesteric polymer films

被引：17
作者：
Huang, Yuhua [1 ,2 ]
Wu, Shin-Tson [2 ]
机构：
[1] Zhejiang Normal Univ, Opt Informat Inst, Jinhua 321004, Zhejiang, Peoples R China
[2] Univ Cent Florida, Coll Opt & Photon, Orlando, FL 32816 USA
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 26期
关键词：
LIQUID-CRYSTAL LASER; FIBER-RING LASER; EMISSION; SINGLE; GENERATION; OPERATION;
D O I：
10.1364/OE.18.027697
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A multi-wavelength laser is demonstrated using a dye-doped cholesteric polymer film whose reflection bandwidth is broadened with several oscillations. Due to the abrupt change of the density of state between oscillation peak and valley, each oscillation functions as a photonic band gap for generating a laser wavelength under the excitation of a pumping laser. As a result, a multiple wavelength laser is generated. Results indicate that the dye-doped cholesteric liquid crystal polymer film is a good candidate for fabricating broadband lasers such as white light lasers. Potential applications include experimental testing of laser materials, identification markers, information displays, and inertial confinement laser fusion. (C) 2010 Optical Society of America
引用
收藏
页码：27697 / 27702
页数：6
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