Low-Threshold Random Laser with One Mirror and Feedbacks in PMMA Nano-Composite Films

SUN Xiao-Hong; TAO Xiao-Ming; XUE Pu; KWAN Kai-Cheong; DENG Jian-Guo

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Low-Threshold Random Laser with One Mirror and Feedbacks in PMMA Nano-Composite Films

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@@ A low-threshold random laser with one mirror and feedback is investigated in the PMMA film containing rhodamine 590 and TiO2 nano-particles. Incoherent and coherent laser emission is observed. Effect of particle concentration on light emission is explored, and the optimum particle concentration is obtained. Optical microscopy and scanning probe microscopy are used to investigate the film structure, and the principle of incoherent and coherent laser is analysed.

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《中国物理快报：英文版》 |2005年第10期|2568-2570|共3页
作者
SUN Xiao-Hong; TAO Xiao-Ming; XUE Pu; KWAN Kai-Cheong; DENG Jian-Guo;
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作者单位

Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong;

Department of Physics, University of Science and Technology of China, Hefei 230026;

Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong;

Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong;

Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong;

Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong;

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中图分类物理学 ;
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Low-Threshold Random Laser with One Mirror and Feedbacks in PMMA Nano-Composite Films

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