| 关于衍射与无衍射光束 |
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| 引用本文： | 谢兴龙,陈绍和,邓锡铭.关于衍射与无衍射光束[J].中国激光,1999,26(1):65-69. |
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| 作者姓名： | 谢兴龙 陈绍和 邓锡铭 |
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| 作者单位： | 中国科学院上海光机所高功率激光联合实验室 |
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| 摘 要： | 分析了衍射与无衍射光束的特点，讨论了无衍射光束的判据，指出衍射实质上是波动方程的非本征解光束在传输过程中趋于本征解光束的特点。
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| 关 键 词： | 衍射，无衍射光束，本征值光束 |
| 收稿时间： | 1997/6/4 |
Light Diffraction and Diffraction-free Beams |
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| Xie Xinglong,Chen Shaohe,Deng Ximing.Light Diffraction and Diffraction-free Beams[J].Chinese Journal of Lasers,1999,26(1):65-69. |
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| Authors: | Xie Xinglong Chen Shaohe Deng Ximing |
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| Abstract: | Characteristics of light diffraction and diffraction free beams are analyzed. The criterion to diffraction free beams is discussed. It is pointed out that light diffraction means a non eigen solution beam of the wave equation degenerating into an eigen solution beam during propagation. |
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| Keywords: | light diffraction diffraction free beam eigen solution beam |
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