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Multiple-Aperture-Based Solar Seeing Profiler
DEQING REN; GANG ZHAO; XI ZHANG; JIANGPEI DOU; RUI CHEN; YONGTIAN ZHU; FENG YANG
2015-09
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
Volume127Issue:955Pages:870–879
Abstract
Characterization of day-time atmospheric turbulence profiles up to 30 km above the telescope is crucial for designs and performance estimations of future solar multiconjugate adaptive optics (MCAO) systems.Recently, the S-DIMM+ method has been successfully used to measure the vertical profile of turbulence. However,to measure profile up to 30 km employing the S-DIMM+ method, a telescope with a diameter of at least 1.0 m is needed, which restricts the usage of S-DIMM+, since large telescopes are scarce and their time is limited. To solve
this problem, we introduce the multiple-aperture seeing profiler (MASP), which consists of two portable small telescopes instead of a single large aperture. Numerical simulations are carried out to evaluate the performanceof MASP.

We find that for one layer case, MASP can retrieve the seeing with error ∼5% using 800 frames of wavefront sensor (WFS) data, which is quite similar to the results of a telescope with diameter of 1120 mm. We also simulate profiles with four turbulence layers, and find that our MASP can effectively retrieve the strengths and heights of the four turbulence layers. Since previous measurements at Big Bear Solar Observatory showed that day-time turbulence profile typically consists of four layers, the MASP we introduced is sufficient for actual seeing measurement.
Subject Area天文技术与方法
Language英语
Document Type期刊论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/1182
Collection中国科学院南京天文光学技术研究所_期刊论文
天文光谱和高分辨成像技术研究室_期刊论文
Affiliation1.Physics and Astronomy Department, California State University Northridge
2.Nanjing Institute of Astronomical Optics and Technology
3.Key Laboratory of Astronomical Optics and Technology,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
DEQING REN,GANG ZHAO,XI ZHANG,et al. Multiple-Aperture-Based Solar Seeing Profiler[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,2015,127(955):870–879.
APA DEQING REN.,GANG ZHAO.,XI ZHANG.,JIANGPEI DOU.,RUI CHEN.,...&FENG YANG.(2015).Multiple-Aperture-Based Solar Seeing Profiler.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,127(955),870–879.
MLA DEQING REN,et al."Multiple-Aperture-Based Solar Seeing Profiler".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 127.955(2015):870–879.
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