A refract-reflect telescope with Cooke as compensated lens
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A refract-reflect telescope with Cooke as compensated lens
Optics and Precision EngineeringVol. 15, Issue 3, Pages: 303-307(2007)
作者机构:
中国科学院 长春光学精密机械与物理研究所,吉林 长春,130033
作者简介:
基金信息:
DOI:
CLC:TH703
Received:22 April 2006,
Revised:14 December 2006,
Published Online:30 June 2007,
Published:30 June 2007
稿件说明:
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KANG Yu-si, LIU Wei-qi, FENG Rui. A refract-reflect telescope with Cooke as compensated lens[J]. Optics and precision engineering, 2007, 15(3): 303-307.
DOI:
KANG Yu-si, LIU Wei-qi, FENG Rui. A refract-reflect telescope with Cooke as compensated lens[J]. Optics and precision engineering, 2007, 15(3): 303-307.DOI:
A refract-reflect telescope with Cooke as compensated lens
This paper introduces a new design about refract-reflect telescope using spheric surfaces instead of aspheric mirrors or large fore corrected lens
which lays a small Cook corrected lens behind the second mirror to compensate aberrations. This lens still achieves diffraction limit level in it's full field of 0.5° and
F
#7
obstruction ratio of 0.42 and MTF 0.45@50pl.The finished assemblage MTF is over 0.4@50pl close to diffraction limit
it is shown that this new configuration can bring up a low cost telescope.
关键词
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references
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