Numerical simulation of time-dependent thermal blooming

doi:10.1117/12.2564804

CORC > 光电技术研究所 > 中国科学院光电技术研究所 > 自适应光学技术研究室（八室）

	Numerical simulation of time-dependent thermal blooming
	Wu, Shuyun 1,2,3; Li, Xinyang 2,3; Luo, Xi 2,3
	2020-07-12
会议日期	December 3, 2019 - December 5, 2019
会议地点	Beijing, China
卷号	11455
DOI	10.1117/12.2564804
页码	114552F
英文摘要	In this study, the time-dependent thermal blooming is studied by numerical simulation. The numerical simulation shows the rules of the far-field spot of the focused Gaussian beam as time progresses. In order to evaluate the effect of time dependent thermal blooming on the quality of the laser beam, far-field spot peak intensity offset Δx/a, radius of encircling 83.8% energy and peak Strehl ratio SR calculations can be used to measure system performance as a function of time. At this time, the thermal distortion parameter N are 9.433, 18.866 and 37.732, respectively. The results show that, with the evolution of time, the quality of the laser beam affected by the thermal blooming will be degraded, which is manifested by the deflection of the beam, the far-field spot will be continuously expanded, and the peak Strehl ratio will be decreased, but eventually the spot pattern will be stable. © 2020 SPIE.
会议录	Proceedings of SPIE 11455 - Sixth Symposium on Novel Optoelectronic Detection Technology and Applications
文献子类	会议论文
语种	英语
ISSN号	0277-786X
内容类型	会议论文
源URL	[http://ir.ioe.ac.cn/handle/181551/9902]
专题	光电技术研究所_自适应光学技术研究室（八室）
作者单位	1.University of Chinese Academy of Sciences, Beijing; 100049, China 2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China; 3.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu; 610209, China;
推荐引用方式 GB/T 7714	Wu, Shuyun,Li, Xinyang,Luo, Xi. Numerical simulation of time-dependent thermal blooming[C]. 见:. Beijing, China. December 3, 2019 - December 5, 2019.