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典型文献
Measuring the topological charge of optical vortices with a single plate
文献摘要:
Measuring the topological charge (TC) of optical vortex beams by the edge-diffraction pattern of a single plate is proposed and demonstrated. The diffraction fringes can keep well discernible in a wide three-dimensional range in this method. The redundant fringes of the diffracted fork-shaped pattern in the near-field can determine the TC value, and the orientation of the fork tells the handedness of the vortex. The plate can be opaque or translucent, and the requirement of the translucent plate for TC measurement is analyzed. Measurement of TCs up to ±40 is experimentally demonstrated by subtracting the upper and lower fringe numbers with respect to the center of the light. The plate is easy to get, and this feasible measurement can bring great convenience and efficiency for researchers.
文献关键词:
作者姓名:
Jingyin Zhao;Yunxia Jin;Fanyu Kong;Dongbing He;Hongchao Cao;Wang Hao;Yubo Wu;Jianda Shao
作者机构:
Thin Film Optics Laboratory, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of High Power Laser Materials, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;CAS Center for Excellence in Ultra-Intense Laser Science, Chinese Academy of Sciences, Shanghai 201800, China;Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
引用格式:
[1]Jingyin Zhao;Yunxia Jin;Fanyu Kong;Dongbing He;Hongchao Cao;Wang Hao;Yubo Wu;Jianda Shao-.Measuring the topological charge of optical vortices with a single plate)[J].中国光学快报(英文版),2022(11):110501
A类:
B类:
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AB值:
0.563859
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