| 用于波前校正的自由曲面反射镜设计方法研究 |
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| 引用本文： | 金奇,霍宏伟,王钢,唐晓军,姜东升. 用于波前校正的自由曲面反射镜设计方法研究[J]. 激光与红外, 2017, 47(2): 169-173 |
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| 作者姓名： | 金奇 霍宏伟 王钢 唐晓军 姜东升 |
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| 作者单位： | 固体激光技术重点实验室,北京100015 |
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| 摘 要： | 自由曲面反射镜拥有能够校正高能固体激光系统的波前畸变的能力。使用自由曲面反射镜进行波前校正,对镜子加工设计的精度有很高的要求。基于波前的相位互补原理,设计了自由曲面反射镜。并通过BP神经网络算法进行曲面重构,拟合出满足数控加工要求较高精度的自由曲面方程。
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| 关 键 词： | 自由曲面；BP神经网络；曲面重构；自由曲面方程 |
Design of free-form surface reflector for wave-front correction |
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| JIN Qi,HUO Hong-wei,WANG Gang,TANG Xiao-jun,JIANG Dong-sheng. Design of free-form surface reflector for wave-front correction[J]. Laser & Infrared, 2017, 47(2): 169-173 |
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| Authors: | JIN Qi HUO Hong-wei WANG Gang TANG Xiao-jun JIANG Dong-sheng |
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| Affiliation: | Science and Technology on Solid-state Laser Laboratory,Beijing 100015,China |
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| Abstract: | Free-form surface reflector has the ability to correct the wave-front distortion of high power soild-state laser systems.Using free-form surface reflector for wave-front correction has high requirement for the accuracy of processing and design.Based on the complementary principle of wave-front,a free-form surface reflector was designed.The surface was reconstructed by BP neural network algorithm,and the free-form surface equation with high accuracy was fitted which meets the requirement of numerical control machining. |
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| Keywords: | free-form surface BP neural network surface reconstruction free-form surface equation |
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