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Research on the compensation of laser launch optics to improve the performance of the LGS spot
Liu, J.; Wang, J. L.; Wang, Y. N.; Tian, D. H.; Zheng, Q.; Lin, X. D.; Wang, L.; Yang, Q. Y.
2018
发表期刊Applied Optics
ISSN1559-128X
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
关键词beam Optics
DOI10.1364/ao.57.000648
收录类别SCI ; EI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/61134
专题中国科学院长春光学精密机械与物理研究所
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Liu, J.,Wang, J. L.,Wang, Y. N.,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, J..,Wang, J. L..,Wang, Y. N..,Tian, D. H..,Zheng, Q..,...&Yang, Q. Y..(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, J.,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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