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Research on the compensation of laser launch optics to improve the performance of the LGS spot
Liu, Jie; Wang, Jianli; Wang, Yuning; Tian, Donghe; Zheng, Quan; Lin, Xudong; Wang, Liang; Yang, Qingyun
2018
发表期刊APPLIED OPTICS
卷号57期号:4页码:648-651
摘要To improve the beam quality of the uplink laser, a 37 channel piezo-ceramic deformable mirror was inserted into the laser launch optics to compensate the static aberrations. An interferometer was used as the calibration light source as well as the wavefront sensor to perform closed-loop correction for the moment. About 0.38 lambda root mean square (rms) aberrations, including the deformable mirror's initial figure error, were compensated, and the residual error was less than 0.07 lambda rms. Field observations with a 2 m optical telescope demonstrated that the peak intensity value of the laser guide star (LGS) spot increased from 5650 to 7658, and the full width at half-maximum (FWHM) size reduced from 4.07 arcseconds to 3.52 arcseconds. With the compensation, an improved guide star spot can be obtained, which is crucial for the adaptive optics systems of ground-based large telescopes. (c) 2018 Optical Society of America
语种英语
WOS记录号WOS:000424678900012
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/17975
专题暗物质和空间天文实验室
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GB/T 7714
Liu, Jie,Wang, Jianli,Wang, Yuning,et al. Research on the compensation of laser launch optics to improve the performance of the LGS spot[J]. APPLIED OPTICS,2018,57(4):648-651.
APA Liu, Jie.,Wang, Jianli.,Wang, Yuning.,Tian, Donghe.,Zheng, Quan.,...&Yang, Qingyun.(2018).Research on the compensation of laser launch optics to improve the performance of the LGS spot.APPLIED OPTICS,57(4),648-651.
MLA Liu, Jie,et al."Research on the compensation of laser launch optics to improve the performance of the LGS spot".APPLIED OPTICS 57.4(2018):648-651.
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