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题名:
Design and analysis of diffractive optical elements for flattening of single modal Gaussian beams
作者: Yin, Kewei1,2; Huang, Zhiqiang1; Lin, Wumei1; Xing, Tingwen1
出版日期: 2012
会议名称: Proceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Design, Manufacturing, and Testing of Smart Structures, Micro- and Nano-Optical Devices, and Systems
会议日期: 2012
DOI: 10.1117/12.975202
通讯作者: Yin, K.
中文摘要: A design method of diffractive optical element is presented for converting a single modal Gaussian beam into a flat-top beam in the far field of the source. The design is based on geometrical method and modified Gerchberg-Saxton method. Geometrical method derives from the conservation of energy and the constant optical path length. This method could supply initial phase distribution of the modified Gerchberg-Saxton method. To find the optimization design results, the modified Gerchberg-Saxton method is important to choose the feedback factor to increase the convergent speed. In addition, tolerances and limitations of such elements result in a reduction of the diffraction efficiency and as a result of stray light. Further study indicates that deviation of the laser wavelength, incident beam, and observation plane can greatly influence flat-top beam shaping quality. On the basis of theoretical and experimental results, limitations for the application of diffractive beam shaping elements are investigated. © 2012 SPIE.
英文摘要: A design method of diffractive optical element is presented for converting a single modal Gaussian beam into a flat-top beam in the far field of the source. The design is based on geometrical method and modified Gerchberg-Saxton method. Geometrical method derives from the conservation of energy and the constant optical path length. This method could supply initial phase distribution of the modified Gerchberg-Saxton method. To find the optimization design results, the modified Gerchberg-Saxton method is important to choose the feedback factor to increase the convergent speed. In addition, tolerances and limitations of such elements result in a reduction of the diffraction efficiency and as a result of stray light. Further study indicates that deviation of the laser wavelength, incident beam, and observation plane can greatly influence flat-top beam shaping quality. On the basis of theoretical and experimental results, limitations for the application of diffractive beam shaping elements are investigated. © 2012 SPIE.
收录类别: Ei
语种: 英语
卷号: 8418
ISSN号: 0277786X
文章类型: 会议论文
页码: 84180Q
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7462
Appears in Collections:应用光学研究室(二室)_会议论文

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作者单位: 1. Lab of Applied Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

Recommended Citation:
Yin, Kewei,Huang, Zhiqiang,Lin, Wumei,et al. Design and analysis of diffractive optical elements for flattening of single modal Gaussian beams[C]. 见:Proceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Design, Manufacturing, and Testing of Smart Structures, Micro- and Nano-Optical Devices, and Systems. 2012.
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