The Constellation-X SXT optical alignment pathfinder 2 - Design, implementation and alignment

被引：5

作者：

Owens, SM ^{[1
]}

Hair, J ^{[1
]}

Stewart, J ^{[1
]}

Petre, R ^{[1
]}

Zhang, W ^{[1
]}

Podgorski, W ^{[1
]}

Glenn, P ^{[1
]}

Content, D ^{[1
]}

Saha, T ^{[1
]}

Nanan, G ^{[1
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20770 USA

来源：

OPTICS FOR EUV, X-RAY AND GAMMA-RAY ASTRONOMY | 2004年 / 5168卷

关键词：

segmented optics; optic alignment; optical metrology; centroid detector assembly;

D O I：

10.1117/12.509366

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Constellation-X SXT mirrors and housings continue to evolve toward a flight-like design. Our second-generation alignment housing, the Optical Alignment Pathfinder 2 (OAP2), is a monolithic titanium structure that is nested inside the OAP I alignment jig, described in a previous paper (J. Hair, et. al., SPIE 20021). In order to perform x-ray tests in a configuration where the optical axis is horizontal, and continue to develop more flight-like structures, we needed to design a strong, but lightweight housing that would impart minimal deformations on the thin segmented mirrors when it is rotated from the vertical orientation used for optical alignment to the horizontal orientation that is used for x-ray testing. This paper will focus on the design of the OAP2 housing, and the assembly and alignment of the optics within the OAP1 plus OAP2 combination using the Centroid Detector Assembly (CDA). The CDA is an optical alignment tool that was successfully used for the HRMA alignment on the Chandra X-ray Observatory. In addition, since the glass we are using is so thin and flexible, we will present the response of the optical alignment quality of a Wolter-I segment to known deformations introduced in by the OAP1 alignment housing.

引用

页码：239 / 247

页数：9