| Terahertz wave emission from water lin es |
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| 作者姓名： | 冯世嘉 董立泉 吴同 谭永 张锐 张亮亮 张存林 赵跃进 |
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| 作者单位： | Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology;Shenzhen Institutes of Advanced Technology;Key Laboratory of Terahertz Optoelectronics |
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| 基金项目： | supported by the Natural Science Foundation of Beijing(No.JQ18015);the National Natural Science Foundation of China(Nos.61905271 and 61935001);the China Postdoctoral Science Foundation funded project(No.2019M660217). |
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| 摘 要： | To make further understanding of terahertz(THz)wave generation from liquid water,we study THz wave emission from water lines of different diameters.The water line with a smaller diameter generates a stronger THz electric field for the diameters from 0.2 mm to 0.5 mm.The THz electric field strength and polarity change with the relative position between the incident laser and water line.Moreover,the THz energy has an optimal radiation angle of about 60°.A two-dimensional dipole array model is introduced to illustrate the phenomenon.Our observations contribute to optimizing the scheme of the liquid THz source.
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| 关 键 词： | TERAHERTZ GENERATION WATER LINES |
Terahertz wave emission from water lines |
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| Shijia Feng,Liquan Dong,Tong Wu,Yong Tan,Rui Zhang,Liangliang Zhang,Cunlin Zhang,Yuejin Zhao.Terahertz wave emission from water lin es[J].中国光学快报(英文版),2020(2):75-79. |
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| Authors: | Shijia Feng Liquan Dong Tong Wu Yong Tan Rui Zhang Liangliang Zhang Cunlin Zhang Yuejin Zhao |
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| Institution: | (Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology,School of Optics and Photonics,Beijing Institute of Technology,Beijing 100081,China;Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences,Shenzhen 518055,China;Key Laboratory of Terahertz Optoelectronics,Ministry of Education,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging,and Beijing Advanced Innovation Center for Imaging Technology,Department of Physics,Capital Normal University,Beijing 100048,China) |
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