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题名:
Numerical analysis of the convergence speed of the SPGD algorithm with two different perturbation methods in coherent beam combination using active segmented mirror
作者: Tan, Yi1,2,3; Li, Xinyang1,2; Luo, Wen1,2,3; Geng, Chao1,2
出版日期: 2015
会议名称: Proceedings of SPIE: 20th International Symposium on High Power Systems and Applications 2014, HPLS and A 2014
会议日期: 2015
学科分类: Actuators - Algorithms - Convergence of numerical methods - High power lasers - Mirrors - Numerical analysis - Numerical methods - Pistons
DOI: 10.1117/12.2065452
通讯作者: Li, Xinyang
中文摘要: An introduction was given to the active segmented mirror(ASM) used in coherent beam combination firstly. Based on the actuator distribution of ASM, the computational formula between the perturbation voltage of each actuator and the perturbation of piston or tip/tilt was acquired. Then the numerical analysis of correction process with two different perturbation ways in SPGD algorithm was carried on. By comparing the two correction processes, it was found that the convergence speed of the second method is 25 times as fast as the first one when there only existed piston error between the two beamlets, while the convergence speed was almost the same when there only existed tip/tilt error, and the convergence speed is 5 times when there existed both piston and tip/tilt error. © 2015 SPIE.
英文摘要: An introduction was given to the active segmented mirror(ASM) used in coherent beam combination firstly. Based on the actuator distribution of ASM, the computational formula between the perturbation voltage of each actuator and the perturbation of piston or tip/tilt was acquired. Then the numerical analysis of correction process with two different perturbation ways in SPGD algorithm was carried on. By comparing the two correction processes, it was found that the convergence speed of the second method is 25 times as fast as the first one when there only existed piston error between the two beamlets, while the convergence speed was almost the same when there only existed tip/tilt error, and the convergence speed is 5 times when there existed both piston and tip/tilt error. © 2015 SPIE.
收录类别: SCI ; Ei
语种: 英语
卷号: 9255
ISSN号: 0277-786X
文章类型: 会议论文
页码: 92550P
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7839
Appears in Collections:自适应光学技术研究室(八室)_会议论文

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作者单位: 1. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, China
2. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
3. University of Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Tan, Yi,Li, Xinyang,Luo, Wen,et al. Numerical analysis of the convergence speed of the SPGD algorithm with two different perturbation methods in coherent beam combination using active segmented mirror[C]. 见:Proceedings of SPIE: 20th International Symposium on High Power Systems and Applications 2014, HPLS and A 2014. 2015.
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