| 半凹旋转棱镜对光束的变换 |
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| 引用本文： | 沈学举,刘秉琦.半凹旋转棱镜对光束的变换[J].激光技术,1997,21(6):380-382. |
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| 作者姓名： | 沈学举 刘秉琦 |
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| 作者单位： | 1.军械工程学院, 石家庄, 050003 |
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| 摘 要： | 对半凹旋转棱镜对光束的变换进行了详细的理论分析,定量计算了变换光束的空间强度分布.结果表明经半凹旋转棱镜变换产生的光束具有近似“无衍射”性质.
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| 关 键 词： | “无衍射”光束 半凹旋转棱镜 旋转棱镜 |
| 收稿时间： | 1996-06-05 |
| 修稿时间： | 1996-10-14 |
Beam propagation and transformation properties of semi concave axicon |
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| Shen Xueju,Liu Bingqi.Beam propagation and transformation properties of semi concave axicon[J].Laser Technology,1997,21(6):380-382. |
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| Authors: | Shen Xueju Liu Bingqi |
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| Abstract: | Starting from the imaging properties,the imaging transformation properties of the semi concave axicon is theoretically analyzed.Also the intensity distribution of the output beam is numerically calculated.The calculation has proved that the beam transformation through a semi concave axicon has the characteristics called "approximate diffraction-free beam". |
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| Keywords: | "Diffraction-free" beam semi-concave axicon axicon |
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