KAPAO：一种基于MEMS的自然导星自适应光学系统
KAPAO: a MEMS-based natural guide star adaptive optics system
摘要：
我们描述KAPAO，我们的项目开发和部署一个低成本，远程访问，自然导星自适应光学（AO）系统的波莫纳学院桌山天文台（TMO）1米望远镜。我们使用市售的140致动器BMC MEMS变形镜和由加州理工学院和IUCAA开发的Robo-AO控制软件版本。我们围绕快速构建和测试原型系统KAPAO-Alpha进行开发，同时设计功能更强大的最终系统KAPAO-Prime。这些系统之间的主要区别是原型依赖于现成的光学器件和单个可见光科学相机，而最终设计由于使用定制光学器件和双波段可见光和近红外成像而提高了吞吐量和功能。在本文中，我们介绍了仪器设计和天空闭环测试的KAPAO-Alpha以及我们的计划KAPAO-Prime。我们的合作机构的主要本科教育性质，无论是公共（索诺玛州立大学）和私人（波莫纳和哈维穆德学院），使我们能够从事物理，天文学和工程本科生在这个项目的各个阶段。本材料基于国家科学基金会资助的工作，资助号为0960343。
英文摘要：
We describe KAPAO, our project to develop and deploy a low-cost, remote-access, natural guide star adaptive optics (AO) system for the Pomona College Table Mountain Observatory (TMO) 1-meter telescope. We use a commercially available 140-actuator BMC MEMS deformable mirror and a version of the Robo-AO control software developed by Caltech and IUCAA. We have structured our development around the rapid building and testing of a prototype system, KAPAO-Alpha, while simultaneously designing our more capable final system, KAPAO-Prime. The main differences between these systems are the prototype's reliance on off-the-shelf optics and a single visible-light science camera versus the final design's improved throughput and capabilities due to the use of custom optics and dual-band, visible and near-infrared imaging. In this paper, we present the instrument design and on-sky closed-loop testing of KAPAO-Alpha as well as our plans for KAPAO-Prime. The primarily undergraduate-education nature of our partner institutions, both public (Sonoma State University) and private (Pomona and Harvey Mudd Colleges), has enabled us to engage physics, astronomy, and engineering undergraduates in all phases of this project. This material is based upon work supported by the National Science Foundation under Grant No. 0960343.
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