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Abstract

By using the methods of Hertz vector and angular spectrum transormation, the exact solution of non-paraxial elliptical Gaussion beam with general astigmatism based on Maxwell′s equations is obtained. We discussed its propagation characteristics. The results show that the orientation of the elliptical beam spot changes continuously as the beam propagates through isotropic media. Splitting or coupling of beam spots may occur for different initial spot size. This is very different from that of paraxial elliptical Gaussian beam.

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中图分类号:TN24

所属栏目:Transmission

基金项目:Supported by the National Natural Science Foundation of China (60078003), Youth Teacher Foundation of Huo Ying Dong Education Foundation of China (71009) and Natural Science Foundation of Zhejiang Province (RC98029)

收稿日期:2000-10-18

修改稿日期:2001-02-12

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作者单位    点击查看

WANG Zhaoying:Institute of Optics, Department of Physics, Zhejiang University, Hangzhou 310028, China
LIN Qiang:Institute of Optics, Department of Physics, Zhejiang University, Hangzhou 310028, China
NI Jie:Institute of Optics, Department of Physics, Zhejiang University, Hangzhou 310028, China

备注:WANG Zhaoying was born in 1976 and graduated from the Department of Physics, Hangzhou University in 1998. She is presently a doctorial candidate with the Institute of Optics, Zhejiang University. Her research interests include coherent optics, ultrafast optics, etc. LIN Qiang was born in 1964 and received his Master degree from the Department of Physics, Hangzhou University in 1988. He has been a professor of physics since 1994. Now he is the director of the Institute of Optics, Zhejiang University. He has published over 100 articles and three books. His major research fields include laser physics, coherent optics, ultrafast optics and quantum optics NI Jie was born in 1963 and graduated from the Department of Physics, Hangzhou University in 1985. Now he is an associate professor in the Department of Physics, Zhejiang University. He has published over 10 papers. His major research fields include opto-electronics and plasma display devices.

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引用该论文

WANG Zhaoying,LIN Qiang,NI Jie. [J]. 中国激光(英文版), 2001, 10(6): 432-438

WANG Zhaoying,LIN Qiang,NI Jie. Non-paraxial Elliptical Gaussian Beam[J]. Chinese Journal of Lasers B, 2001, 10(6): 432-438

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