分类： 天文学 >> 天文学 提交时间： 2023-02-19
Rui-Tao Wang
Hong-Yang Li
Lu Feng
Min Li
Qi Bian
Jun-Wei Zuo
Kai Jin
Chen Wang
Yue Liang
Ming Wang
Jun-Feng Dou
Ding-Wen Zhang
Kai Wei
You-Ming Guo
Yong Bo
Sui-Jian Xue
摘要： The application of sodium laser guide star is the key difference between modern adaptive optics system and traditional adaptive optics system. Especially in system like multi-conjugate adaptive optics, sodium laser guide star asterism which is formed by several laser guide stars in certain pattern is required to probe more atmospheric turbulence in different directions. To achieve this, a sodium laser guide star asterism launching platform is required. In this paper, we will introduce the sodium laser guide star asterism launching platform built and tested on the 1.8m telescope of the Gaomeigu Observatory. The platform has two functions: one is to compare the performance of sodium laser guide stars generated by different lasers at the same place; the other is to generate sodium laser guide star asterism with adjustable shape. The field test results at the beginning of 2021 verify the important role of the platform, which is also the first time to realize sodium laser guide star asterism in China.
分类： 天文学 >> 天文学 提交时间： 2023-02-19
Rui-Tao Wang
Hong-Yang Li
Lu Feng
Min Li
Qi Bian
Jun-Wei Zuo
Kai Jin
Chen Wang
Yue Liang
Ming Wang
Jun-Feng Dou
Ding-Wen Zhang
Kai Wei
You-Ming Guo
Yong Bo
Sui-Jian Xue
摘要： The application of sodium laser guide star is the key difference between modern adaptive optics system and traditional adaptive optics system. Especially in system like multi-conjugate adaptive optics, sodium laser guide star asterism which is formed by several laser guide stars in certain pattern is required to probe more atmospheric turbulence in different directions. To achieve this, a sodium laser guide star asterism launching platform is required. In this paper, we will introduce the sodium laser guide star asterism launching platform built and tested on the 1.8m telescope of the Gaomeigu Observatory. The platform has two functions: one is to compare the performance of sodium laser guide stars generated by different lasers at the same place; the other is to generate sodium laser guide star asterism with adjustable shape. The field test results at the beginning of 2021 verify the important role of the platform, which is also the first time to realize sodium laser guide star asterism in China.
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