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Study on the detecting ability of the adaptive astronomical telescopes
Bitao, Tan1,2,3,4; Myers, R.M.4; Hongbin, Chen1
Volume595
Pages012004
2015
Language英语
ISSN1742-6588
DOI10.1088/1742-6596/595/1/012004
Indexed ByEi
Subtype会议论文
AbstractAdaptive imaging systems have been developed to compensate for distortion introduced by atmospheric turbulence. The performance of its imaging quality can be evaluated by the Strehl ratio, but this does not directly quantify the detecting ability of an adaptively correcting telescope. Combining the normally detecting SNR and the telescope Strehl ratio, a new method evaluating the detecting ability of an adaptive astronomical telescope is put forward, which can give a quantified value. The new method is simulated on a computer, the simulation results indicated that the detecting ability of an adaptively correcting a 2-m telescopes improves 2 visual magnitudes. The effects of different atmospheric coherence length on detecting ability also can be quantitatively studied through the new method, which can give a scientific basis for the optimization of the design of the system and the development of implementations.; Adaptive imaging systems have been developed to compensate for distortion introduced by atmospheric turbulence. The performance of its imaging quality can be evaluated by the Strehl ratio, but this does not directly quantify the detecting ability of an adaptively correcting telescope. Combining the normally detecting SNR and the telescope Strehl ratio, a new method evaluating the detecting ability of an adaptive astronomical telescope is put forward, which can give a quantified value. The new method is simulated on a computer, the simulation results indicated that the detecting ability of an adaptively correcting a 2-m telescopes improves 2 visual magnitudes. The effects of different atmospheric coherence length on detecting ability also can be quantitatively studied through the new method, which can give a scientific basis for the optimization of the design of the system and the development of implementations.
Conference NameJournal of Physics: Adapting to the Atmosphere Conference 2014
Conference Date2015
Citation statistics
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7432
Collection光电工程总体研究室(一室)
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. University of Chinese Academy of Sciences, Beijing, China
3. Northwest Institute of Nuclear Technology, Xi'an, China
4. University of Durham, Durham, United Kingdom
Recommended Citation
GB/T 7714
Bitao, Tan,Myers, R.M.,Hongbin, Chen. Study on the detecting ability of the adaptive astronomical telescopes[C],2015:012004.
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