Efficient Femtosecond Second Harmonic Generation in Thin ZnO Hollow Rods

【Author】

Chang-Cheng Zheng,1 Shi-Jie Xu,1,Ji-Qiang Ning,1 Su-Fang Zhang,2 Ji-Yang Wang,2 Chi-Ming Che,3 and Jian-Hua Hao4 1Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China 2State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China 3Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China 4Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, PR China

【Abstract】

<正>In this talk, we will report an observation of efficient second harmonic generation (SHG) emission in thin ZnO crystal hollow rods (tubes) with diameter ~ 0.2 mm under the excitation of femtosecond laser from 700 to 900 nm at room temperature. Compared with a thick solid rod, a great enhancement effect of the SHG generation in the thin

【Keywords】

ZnO;Thin;Efficient Femtosecond Second Harmonic Generation in Thin ZnO Hollow Rods;

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