1 December 1987 Flat-Field, Anastigmatic, Four-Mirror Optical System For Large Telescopes
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Optical Engineering, 26(12), 261297 (1987). doi:10.1117/12.7977155
Abstract
A large-aperture, flat-field, four-mirror optical system for large telescopes has been designed. Its main virtue is that it uses spherical surfaces for the primary and secondary mirrors, providing remarkably good imagery. Third-order theory and the optimization process are discussed for this optical system.
Jose M. Sasian, "Flat-Field, Anastigmatic, Four-Mirror Optical System For Large Telescopes," Optical Engineering 26(12), 261297 (1 December 1987). http://dx.doi.org/10.1117/12.7977155
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KEYWORDS
Large telescopes

Mirrors

Optical instrument design

Spherical lenses

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