| Nonlinear Generation of Perfect Vector Beams in Ultraviolet Wavebands |
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| 作者姓名： | 李慧 刘海港 杨洋飞飞 陆瑞锋 陈险峰 |
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| 作者单位： | 1. Institute of Ultrafast Optical Physics, Department of Applied Physics & MIIT Key Laboratory of Semiconductor Microstructure and Quantum Sensing, Nanjing University of Science and Technology;2. State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy,Shanghai Jiao Tong University;5. Collaborative Innovation Center of Light Manipulations and Applications, Shandong Normal University |
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| 基金项目： | supported by the National Key Research and Development Program of China (Grant Nos. 2017YFA0303700 and 2018YFA0306301)；;the National Natural Science Foundation of China (Grant Nos. 11734011, 12004245, and 62105154)；;the China Postdoctoral Science Foundation (Grant No. 2021M691601)；;the Natural Science Foundation of Jiangsu Province (Grant No. BK20210324)； |
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| 摘 要： | Perfect vector beams are a class of special vector beams with invariant radius and intensity profiles under changing topological charges. However, with the limitation of current devices, the generation of these vector beams is limited in the visible and infrared wavebands. Herein, we generate perfect vector beams in the ultraviolet region assisted by nonlinear frequency conversion. Experimental and simulation results show that the radius of the generated ultraviolet perfect vector beams remains ...
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