Diffraction analysis of multiple-disk occulters in external coronagraphs based on uniform boundary wave diffraction theory

doi:10.1364/OE.408524

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	Diffraction analysis of multiple-disk occulters in external coronagraphs based on uniform boundary wave diffraction theory
	W. E. I. Wang; X. I. N. Zhang; Q. Meng and D. Wang
	2021
发表期刊	Optics Express
ISSN	10944087
卷号	29 期号:3 页码:2953-2970
摘要	Occulters with multiple-disk structure are commonly used for mitigating the diffraction light from specific incident angles in external coronagraphs. In the design phase of coronagraphs, it is of great importance to calculate the diffraction propagation of the occulters with high accuracy and high efficiency. In this paper, an analytical method is proposed for the diffraction analysis of multiple-disk occulters based on uniform boundary wave (BDW) diffraction theory. First, an analytical propagator with Fresnel functions is derived for single-disk case, of which the accuracy and efficiency are demonstrated by a numerical example. Then it is proved that the propagator in multiple-disk case was just the iterative use of the single-disk one when neglecting the gradient diffraction term. The analytical propagator presents much improvement on simplification and efficiency compared to former numerical propagators, and hence, is of great significance to future external coronagraph design and analysis. 2021 Optical Society of America.
DOI	10.1364/OE.408524
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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/181722/65175
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	W. E. I. Wang,X. I. N. Zhang,Q. Meng and D. Wang. Diffraction analysis of multiple-disk occulters in external coronagraphs based on uniform boundary wave diffraction theory[J]. Optics Express,2021,29(3):2953-2970.
APA	W. E. I. Wang,X. I. N. Zhang,&Q. Meng and D. Wang.(2021).Diffraction analysis of multiple-disk occulters in external coronagraphs based on uniform boundary wave diffraction theory.Optics Express,29(3),2953-2970.
MLA	W. E. I. Wang,et al."Diffraction analysis of multiple-disk occulters in external coronagraphs based on uniform boundary wave diffraction theory".Optics Express 29.3(2021):2953-2970.

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