Conic constant trade-off study in Cassegrain-type telescopes with a field corrector

Details Conic constant trade-off study in Cassegrain-type telescopes with a field corrector Conic constant trade-off study in Cassegrain-type telescopes with a field corrector

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7787e...1h&link_type=abstract

Novel Optical Systems Design and Optimization XIII. Edited by Groot Gregory, G.; Koshel, R. John. Proceedings of the SPIE, Volum

Computer Science

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Scientific paper

The fabrication and optical performance of a Cassegrain type telescope that employs a field corrector depends on the conic constant of the primary mirror. The design of the field corrector calls for different choices on mirror asphericity which imply a departure from the nominal Cassegrain or Ritchey-Chrétien solutions. This departure may not be acceptable given that the telescope would not operate properly without the field corrector. In this paper we present a study of the variation of mirror conic constant and field corrector choice of some existing telescopes. We also discuss some trade-offs in the design of a telescope with a field corrector.

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