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Comparison of iterative wavefront reconstruction algorithms for high-resolution adaptive optics systems
Cheng, Shengyi1,2,3; Dong, Lizhi1,2; Chen, Shanqiu1,2; Yang, Ping1,2; Ao, Mingwu4; Xu, Bing1,2
Volume9298
Pages92981M
2014
Language英语
ISSN0277786X
DOI10.1117/12.2072685
Indexed ByEi
Subtype会议论文
AbstractBased on a 979-actuator adaptive optics system, this paper analyzes the different performance of iterative wavefront reconstruction algorithms. Under the condition of dynamic wavefront errors, the iteration number, storage space and the number of multiplication of steepest descent method, conjugate gradient method and G-S iterative method are studied. The steepest descent method and conjugate gradient method need smaller storage space. Both the G-S iterative method and the conjugate gradient method converge faster than steepest descent method, while the latter takes the least number of multiplication. Finally, the optimal iterative algorithm is selected considering storage space, iteration numbers and the number of multiplication. © 2014 SPIE.; Based on a 979-actuator adaptive optics system, this paper analyzes the different performance of iterative wavefront reconstruction algorithms. Under the condition of dynamic wavefront errors, the iteration number, storage space and the number of multiplication of steepest descent method, conjugate gradient method and G-S iterative method are studied. The steepest descent method and conjugate gradient method need smaller storage space. Both the G-S iterative method and the conjugate gradient method converge faster than steepest descent method, while the latter takes the least number of multiplication. Finally, the optimal iterative algorithm is selected considering storage space, iteration numbers and the number of multiplication. © 2014 SPIE.
Conference NameProceedings of SPIE: International Symposium on Optoelectronic Technology and Application 2014: Imaging Spectroscopy; and Telescopes and Large Optics
Conference Date2014
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7821
Collection自适应光学技术研究室(八室)
Corresponding AuthorXu, Bing
Affiliation1. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, China
3. University of Chinese Academy of Sciences, Beijing, China
4. University of Electronic Science and Technology of China, Chengdu, China
Recommended Citation
GB/T 7714
Cheng, Shengyi,Dong, Lizhi,Chen, Shanqiu,et al. Comparison of iterative wavefront reconstruction algorithms for high-resolution adaptive optics systems[C],2014:92981M.
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