Iterative method of baffle design for modified Ritchey-Chretien telescope

We developed a baffle design method based on a combination of the results of optical design software and analytical relations formulated herein. The method finds the exact solution for baffle parameters of a modified Ritchey-Chretien telescope by iteratively solving the analytical relations using th...

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Bibliographic Details
Published in:Applied optics (2004) 2013-02, Vol.52 (6), p.1240-1247
Main Authors: Senthil Kumar, M, Narayanamurthy, C S, Kiran Kumar, A S
Format: Article
Language:English
Subjects:
Baffles
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Summary:We developed a baffle design method based on a combination of the results of optical design software and analytical relations formulated herein. The method finds the exact solution for baffle parameters of a modified Ritchey-Chretien telescope by iteratively solving the analytical relations using the actual ray coordinates of the telescope computed with the aid of optical design software. The baffle system so designed not only blocks the direct rays of stray light reaching the image plane but also provides minimum obscuration to imaging light. Based on the iterative method, we proposed a baffle design approach for a rectangular-image-format telescope.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.52.001240