Aplanatic two-mirror telescopes; a systematic study. 3: the schwarzschild-couder configuration.
A systematic performance analysis of aplanatic Schwarzschild-Couder type telescopes has been carried out by means of a ray trace program. The classic Schwarzschild and Couder designs were studied in detail. It was found that those types of telescopes, in contrast to the Gregorian [Appl. Opt. 13, 2402 (1974)] and the Cassegrainian [Appl. Opt. 13, 2064 (1974)] configuration, suffered severely from higher order aberration.
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