| 根据激光束横截面能量分布的变化测量大功率激光聚焦镜的像差 |
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| 引用本文： | 王智勇,陈涛,左铁钏.根据激光束横截面能量分布的变化测量大功率激光聚焦镜的像差[J].光学学报,2000,20(11):548-1552. |
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| 作者姓名： | 王智勇 陈涛 左铁钏 |
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| 作者单位： | 国家产学研激光技术中心,北京工业大学,北京,100022 |
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| 基金项目： | 国家自然科学基金重点项目!(批准号 59635170 )，北京工业大学博士启动经费资助 |
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| 摘 要： | 提出了一种实时测量大功率激光照射下聚焦镜产生的像差的新方法。该方法利用混合模激光束在传输过程中光束横截面能量分布的变化来进行测量。首先通过计算混合模激光束的光学参数来模拟其在传输过程中的光束横截面能量分布的变化，然后计算其通过聚焦镜后在焦点位置的光束横截面能量分布，通过对比计算所得的光束横截面能量分布和实际测量的焦点位置的光束横截面能量分布的差异，得到聚焦镜的像差。
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| 关 键 词： | 激光束 聚焦镜 像差 横截面能量分布 激光加工 |
| 收稿时间： | 1999/5/31 |
Analysis of Aberrations of Focused Mirror by the Transverse Intensity Distribution of Laser Beams |
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| Wang Zhiyong,Chen Tao,Zuo Tiechuan.Analysis of Aberrations of Focused Mirror by the Transverse Intensity Distribution of Laser Beams[J].Acta Optica Sinica,2000,20(11):548-1552. |
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| Authors: | Wang Zhiyong Chen Tao Zuo Tiechuan |
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| Abstract: | A new method of using blending mode laser beam to measure the spherical aberration is presented. First, the optical parameters of this beam are calculated to simulate its propagation. Then through calculation the transverse intensity distribution of the focus is got. By comparing this transverse intensity distribution with the measurement of the real distribution after beam passing through a focal mirror, the aberration of the mirror is obtained. |
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| Keywords: | high power laser beam focused mirror aberration transverse intensity distribution T |
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