Adjustable truss for support, optical alignment, and athermalization of a Schmidt camera

被引：0
|
作者：
O'Brien, TP [1 ]
Atwood, B [1 ]
机构：
[1] Ohio State Univ, Imaging Sci Lab, Columbus, OH 43210 USA
来源：
INSTRUMENT DESIGN AND PERFORMANCE FOR OPTICAL/INFRARED GROUND-BASED TELESCOPES, PTS 1-3 | 2003年 / 4841卷
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The MODS optical spectrograph uses a de-centered Maksutov-Schmidt camera with a clear aperture of similar to300mm. This large camera has two widely spaced elements, the corrector and the camera mirror, and a field flattener near the focal plane. This paper describes the truss system that supports the optical elements very rigidly, uses adjustable length links to provide a deterministic method for alignment of the optical elements, and uses material combinations which result in a camera with nearly zero focus shift due to changes in temperature. A novel joint design for terminating the truss links is described that has excellent stiffness and enhances ease of assembly and alignment.
引用
收藏
页码：403 / 410
页数：8
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