| Fast Analysis for the Focusing of a Laser Beam with Amplitude Modulation and Phase Fluctuation Through an Aperture Lens |
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| 引用本文： | 张彬,楚晓亮,李强. Fast Analysis for the Focusing of a Laser Beam with Amplitude Modulation and Phase Fluctuation Through an Aperture Lens[J]. Chinese Journal of Lasers, 2002, 11(5): 329-333 |
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| 作者姓名： | 张彬 楚晓亮 李强 |
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| 作者单位： | College of Electronic Information，Sichuan University，Chengdu 610064，China |
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| 基金项目： | SupportedbytheNationalNaturalScienceFoundationofChinaandtheYouthScienceFoundationofSichuanUniversity . |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｌａｓｅｒｂｅａｍｓｗｉｔｈａｍｐｌｉｔｕｄｅｍｏｄｕｌａｔｉｏｎｓ(ＡＭｓ)ａｎｄｐｈａｓｅｆｌｕｃｔｕａｔｉｏｎｓ (ＰＦｓ) ｐｒｏｐｏｓｅｄｂｙｔｈｅＬａｗｒｅｎｃｅ ＬｉｖｅｒｍｏｒｅＮａｔｉｏｎａｌＬａｂｏｒａｔｏｒｙ (ＬＬＮＬ)ｉｓａｔｙｐｉｃａｌｐｈｙｓｉｃａｌｍｏｄｅｌｆｏｒｈｉｇｈ ｐｏｗｅｒｌａｓｅｒｓ[1] .Ｉｎｈｉｇｈ ｐｏｗｅｒｌａｓｅｒｓｙｓｔｅｍｓ,ｓｕｃｈａｓｌａｒｇｅＮｄ∶ｇｌａｓｓｌａｓｅｒｆｕｓｉｏｎｄｒｉｖｅｒｓ,ｈｉｇｈ ｐｏｗｅｒｌａ…
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| 收稿时间： | 2001-07-26 |
Fast Analysis for the Focusing of a Laser Beam with Amplitude Modulation and Phase Fluctuation Through an Aperture Lens |
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| ZHANG BinCHU Xiaoliang LI Qiang. Fast Analysis for the Focusing of a Laser Beam with Amplitude Modulation and Phase Fluctuation Through an Aperture Lens[J]. 中国激光(英文版), 2002, 11(5): 329-333 |
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| Authors: | ZHANG BinCHU Xiaoliang LI Qiang |
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| Abstract: | Based on the treatment that a rectangular function can be expanded into an approximate sum of complex Gaussian functions with finite numbers, the analytical expression for the focusing intensity distribution of a laser beam with amplitude modulation (AM) and phase fluctuation (PF) through an aperture lens is derived. The typical numerical examples are given and compared with those obtained from numerically integral calculation. The results show that our method can significantly improve the numerical calculation efficiency. |
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| Keywords: | laser beams with amplitude modulations (AMs) and phase fluctuations (PFs) aperture lens complex Gaussian function numerical calculation efficiency |
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