| 强激光远场焦斑重构算法研究 |
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| 引用本文： | 谢旭东,陈波,何凌,刘华,夏彦文,苏春燕,卢宗贵. 强激光远场焦斑重构算法研究[J]. 强激光与粒子束, 2003, 15(3): 237-240 |
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| 作者姓名： | 谢旭东 陈波 何凌 刘华 夏彦文 苏春燕 卢宗贵 |
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| 作者单位： | 中国工程物理研究院 激光聚变研究中心，四川 绵阳 621900 |
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| 基金项目： | 国防科技基础研究基金资助课题 |
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| 摘 要： | 通过CCD图像采集单元结合传统的列阵相机测量高功率固体激光器的远场焦斑分布，采用图像处理技术的边缘算子提取焦斑的几何中心，提出通过几何中心对心的焦斑嵌套重构算法，解决了光斑饱和时的对心难题，实现了快捷准确测量激光焦斑，为激光器的实时控制提供参考数据。
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| 关 键 词： | 激光焦斑 嵌套 边缘算子 CCD 远场分布 |
| 文章编号： | 1001-4322(2003)03-0237-04 |
| 收稿时间： | 2002-09-27 |
| 修稿时间： | 2002-09-27 |
Algorithm research on focal spot reconstruction for high power laser output |
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| XIE Xu dong,CHEN Bo,HE Ling,LIU Hua,XIA Yan wen,SU Chun yan,LU Zong gui. Algorithm research on focal spot reconstruction for high power laser output[J]. High Power Laser and Particle Beams, 2003, 15(3): 237-240 |
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| Authors: | XIE Xu dong CHEN Bo HE Ling LIU Hua XIA Yan wen SU Chun yan LU Zong gui |
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| Affiliation: | Research Center of Laser Fusion, CAEP, P.O.Box 919-988 ,Mianyang 621900,China |
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| Abstract: | With the combination of CCD imaging unit and traditional multi image camera to measure far field distribution of laser output, the reconstruction algorithm for focal spot of high power solid state laser output was described. The geometric cores of these focal spots was abstracted to center these spots by virtue of edge computational kernel applied in the field of image processing, nesting algorithm for focal spot reconstruction is put forward. It can precisely center these spots even if they are saturated partially and instantly reconstruct original focal spot, which makes it feasible to provide real time data for laser control. |
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| Keywords: | Focal spot Nesting algorithm Edge computational kernel CCD Far field distribution |
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