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题名:
Shape the unstable laser beam using diffractive optical element Array
作者: Yuanyuan Li; Chuankai Qiu; Pan Li; Tingwen Xing; Wumei Lin; Chongxi Zhou
出版日期: 2010
会议名称: Proceedings of the SPIE - The International Society for Optical Engineering
会议日期: 2010
通讯作者: Yuanyuan Li
中文摘要: The structure combining the microlens and DOE is not sensitive to the incident beam and can control the overall shape profile flexibly.So that the structure called DOE array is designed in this paper in order to shape the unstable laser beam to the four polar uniformity distribution.The paper gives the principle of the DOE array and the design process. The array element determines the profile of the output beam. it is designed using the G-S algorithm and the Adaptive Addition algorithm(A-A). The number of the DOEs is optimized and analyzed. The simulative diffraction efficiencies are 89% and non-uniformities are less than 3% when the incident beams are Gaussian, supper-Gaussian, paraboloid and random distributions. In experiment, diffraction efficiency of 77% and maximum non-uniformity of 5.6%are got on the condition of the different input laser beam. So the effect on the instability of the incident beam could be decreased.
英文摘要: The structure combining the microlens and DOE is not sensitive to the incident beam and can control the overall shape profile flexibly.So that the structure called DOE array is designed in this paper in order to shape the unstable laser beam to the four polar uniformity distribution.The paper gives the principle of the DOE array and the design process. The array element determines the profile of the output beam. it is designed using the G-S algorithm and the Adaptive Addition algorithm(A-A). The number of the DOEs is optimized and analyzed. The simulative diffraction efficiencies are 89% and non-uniformities are less than 3% when the incident beams are Gaussian, supper-Gaussian, paraboloid and random distributions. In experiment, diffraction efficiency of 77% and maximum non-uniformity of 5.6%are got on the condition of the different input laser beam. So the effect on the instability of the incident beam could be decreased.
收录类别: Ei ; ISTP
语种: 英语
卷号: 7848
文章类型: 会议论文
页码: 78481x (9 pp.)
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7882
Appears in Collections:微细加工光学技术国家重点实验室(开放室)_会议论文

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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Yuanyuan Li,Chuankai Qiu,Pan Li,et al. Shape the unstable laser beam using diffractive optical element Array[C]. 见:Proceedings of the SPIE - The International Society for Optical Engineering. 2010.
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