| 超高斯光束经有方环光阑透镜的传输特性 |
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| 引用本文： | 卿与三,吕百达.超高斯光束经有方环光阑透镜的传输特性[J].四川激光,2001,22(4):25-26. |
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| 作者姓名： | 卿与三 吕百达 |
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| 作者单位： | [1]四川大学激光物理与化学研究所，成都610064 [2]宜宾师范学院物理系，宜宾644007 |
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| 摘 要： | 本文详细研究了超矿山斯光束经有方环光阑透镜的传输特性，讨论了遮拦比、球差和超高斯光束的阶数对光强分布的影响。研究表明，使用负球差聚焦透镜可获得比无球差透镜在实际焦面上可聚焦性更好、能量更集中的光束。
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| 关 键 词： | 超高斯光束 方环光阑 透镜 传输特性 |
Propagation of super-Gaussian beams passing through an annular-aperture lens |
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| Abstract: | The propagation of super-Gaussian beams passing through an annular-aperture lens in the rectangular coordinate system is studied in detail.The effects of the obscure ratio,spherical aberration and beam order on intensity distributions are discussed.It is shown that the better beam focussability at the real focal plane can be achieved for the focusing with negative spherical aberration than that without spherical aberration. |
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| Keywords: | super-Gaussian beam annular aperture spherical aberration obscure ratio intensity distribution |
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