Opto-mechanical design of the discovery channel telescope prime focus assembly

被引：0
|
作者：
Delp, C [1 ]
Duffy, M [1 ]
Neill, D [1 ]
Sebring, TA [1 ]
机构：
[1] Goodrich Corp, Danbury, CT 06810 USA
来源：
ASTRONOMICAL STRUCTURES AND MECHANISMS TECHNOLOGY | 2004年 / 5495卷
关键词：
DCT; Prime Focus Assembly; mechanism; opto-mechanical;
D O I：
10.1117/12.551728
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The Discovery Channel Telescope (DCT) is a 4.2m aperture telescope with a unique front end pod assembly that incorporates a secondary mirror assembly on one end, and a prime focus corrector group with focal plane instrument on the other. By flipping the pod end-for-end, the DCT is quickly converted from an f/6.13 Ritchey-Chretien telescope with a 21 arcminute field of view, to an f/1.9 two degree wide field prime focus camera. This paper describes the conceptual opto-mechanical design and performance assessment of the Prime Focus Assembly (PFA), including the pod interfaces, structures, optic mounts and the functions and configurations of the various mechanisms within the pod.
引用
收藏
页码：216 / 227
页数：12
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