Telescope Coronagraph Focal Plane Mask Design Using the Method of Moments and a Constrained Least Squares

被引：0

作者：

Yan, Su ^{[1
]}

Wise, Laila ^{[1
]}

Chen, Pin ^{[2
]}

机构：

[1] Howard Univ, Washington, DC 20059 USA

[2] CALTECH, Jet Prop Lab, Pasadena, CA 91125 USA

来源：

2023 IEEE MTT-S INTERNATIONAL CONFERENCE ON NUMERICAL ELECTROMAGNETIC AND MULTIPHYSICS MODELING AND OPTIMIZATION, NEMO | 2023年

关键词：

Constrained optimization; exoplanet exploration; focal plane mask; least squares problem; method of moments; telescope coronagraph;

D O I：

10.1109/NEMO56117.2023.10202340

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A telescope coronagraph is an instrument used to occlude starlight in order to observe exoplanets orbiting the star in question. In this paper, the optimal design of coronagraph focal plane mask (FPM) is considered. The coronagraph system is first formulated as an integral equation, which is then discretized with the method of moments. This results in a constrained least squares problem to be solved numerically. Several numerical examples are presented to demonstrate the optimal designs of the FPMs in various cases and the corresponding light extinction performances.

引用

页码：9 / 12

页数：4

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