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Theoretical Stray Light Analysis of Side-baffled Sky Brightness Photometer
Sun, M.-Z.; H.-X. Zhang; W.-X. Liu and L.-D. Xia
2017
Source PublicationGuangzi Xuebao/Acta Photonica Sinica
Volume46Issue:12
AbstractA sky brightness photometer with a side-baffled structure, which adopts multibaffles to suppress diffracted stray light layer-by-layer in the inner field of view, is proposed. In addition, specially designed upper baffles block both scattered and diffracted stray light in the outer field of view. A mathematical model is established to simulate the baffles, and calculated results show that the field of view of the photometer can be designed to be 3.5~10 solar radii by optimizing the geometric parameters of the baffles. The stray light in the full field of view can be suppressed effectively to less than 10-8of the mean solar brightness. Compared with the High Altitude Observatory, which has a sky brightness monitor with a field of view of 4~8 solar radii and a stray light level of 10-7of the mean solar brightness, the proposed photometer expands the observable field of view and improves the stray light suppression level by over an order of magnitude. 2017, Science Press. All right reserved.
Indexed Byei
Language中文
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59205
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Sun, M.-Z.,H.-X. Zhang,W.-X. Liu and L.-D. Xia. Theoretical Stray Light Analysis of Side-baffled Sky Brightness Photometer[J]. Guangzi Xuebao/Acta Photonica Sinica,2017,46(12).
APA Sun, M.-Z.,H.-X. Zhang,&W.-X. Liu and L.-D. Xia.(2017).Theoretical Stray Light Analysis of Side-baffled Sky Brightness Photometer.Guangzi Xuebao/Acta Photonica Sinica,46(12).
MLA Sun, M.-Z.,et al."Theoretical Stray Light Analysis of Side-baffled Sky Brightness Photometer".Guangzi Xuebao/Acta Photonica Sinica 46.12(2017).
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