| ZnO纳米线的三阶非线性光学性质 |
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| 引用本文： | 李春萍,宫丽晶,周志明,张健.ZnO纳米线的三阶非线性光学性质[J].吉林大学学报(理学版),2020,58(5):1254-1258. |
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| 作者姓名： | 李春萍 宫丽晶 周志明 张健 |
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| 作者单位： | 空军航空大学 航空基础学院基础部, 长春 130022 |
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| 基金项目： | 国家自然科学基金;吉林省高教科研项目;吉林省国际科技合作项目 |
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| 摘 要： | 用微乳液法制备ZnO纳米线, 对材料的形貌和结构进行透射电镜表征和Raman光谱表征, 并设计超短脉冲Z扫描实验, 研究ZnO纳米线的三阶非线性光学特性. 结果表明：制备的材料尺寸均一、结晶良好, 具有较好的紫外区激子发光特性； ZnO纳米线三阶非线性光学折射率为正值, 其三阶非线性光学极化率比体相ZnO高约3个数量级. 因此制备的ZnO纳米线材料具有较好的光学和非线性光学性质.
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| 关 键 词： | ZnO纳米材料 三阶非线性光学性质 Z扫描技术 |
| 收稿时间： | 2020-04-01 |
Third-Order Nonlinear Optical Properties of ZnO Nanowires |
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| LI Chunping,GONG Lijing,ZHOU Zhiming,ZHANG Jian.Third-Order Nonlinear Optical Properties of ZnO Nanowires[J].Journal of Jilin University: Sci Ed,2020,58(5):1254-1258. |
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| Authors: | LI Chunping GONG Lijing ZHOU Zhiming ZHANG Jian |
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| Institution: | Fundamental Department of Basic Aviation College, Air Force Aviation University, Changchun 130022, China |
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| Abstract: | ZnO nanowires were prepared by microemulsion synthesis method. The morphology and structure of ZnO nanowires were characterized by transmission electron microscopy (TEM) and Raman spectrum, and the third-order nonlinear optical properties of ZnO nanowires were studied by ultra-short pulse Z-scan experiment. The results show that the prepared materials have the same size, good crystallinity and good excitonic photoluminescence characteristics in ultraviolet region. The third-order nonlinear optical refractive index of ZnO nanowires is positive, and the third-order nonlinear optical susceptibility is almost three orders larger than that of bulk ZnO materials. Therefore, the ZnO nanowires have good optical and nonlinear optical properties. |
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| Keywords: | ZnO nanomaterials third-order nonlinear optical property Z-scan technique |
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