| 用单透镜变换由多模光纤出射的大功率Nd：YAG激光束的特性 |
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| 引用本文： | 孙振东,吴庚生.用单透镜变换由多模光纤出射的大功率Nd：YAG激光束的特性[J].四川激光,1995,16(3):109-112. |
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| 作者姓名： | 孙振东 吴庚生 |
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| 作者单位： | 清华大学电子工程系 |
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| 摘 要： | 根据理论假设，通过选取单透镜的参数和位置，计算说明了单透镜使经由多模光纤出射的大功率Ｎｄ：ＹＡＧ激光束的发射角压缩，光束聚焦效率提高，光束截面场为高斯分布；文中的计算结果符合已知规律，从而说明了理论假设的正确性。
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| 关 键 词： | 透镜 光束特性 多模光纤 大功率 Nd：YAG激光 |
The conversion for beam characteristics of high power lasers produced by multimode fiber through convex lens |
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| Sun Zhendong Wu Gengsheng.The conversion for beam characteristics of high power lasers produced by multimode fiber through convex lens[J].Laser Journal,1995,16(3):109-112. |
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| Authors: | Sun Zhendong Wu Gengsheng |
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| Abstract: | For the beam of high power lasers produced by multimode fiber through convex lens,the divergence angle is compressed,the focussing efficiency is lifted,the optical intensity distribution is Gaussian function. These conclutions are got by calculating according to the theoretical hypotheses after choosing the size and position of lens. The correctness that theoretical hypotheses being consistent with known rules is confirmed by other calculating results. |
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| Keywords: | convex lens beam characteristics multimode fiber |
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