Third Order Aberrations in Cassegrain-Type Telescopes and Coma Correction in Servo-Stabilized Images
Applied Optics, Vol. 10, Issue 2, pp. 300-303 (1971)
http://dx.doi.org/10.1364/AO.10.000300
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Abstract
Pointing errors in telescopes carried by space vehicles can be compensated by servo-control of the secondary mirror. This introduces some aberrations in the stabilized image, the magnitude of which depends on the asphericity of the telescope mirrors. A configuration is presented in which the centered image of an off-axis object point is free from coma. The required aspheric corrections and the residual aberrations are calculated. Also included is a summary of the third order aberration constants for some well-known centered cassegrain-type telescopes.
Citation
M. Bottema and R. A. Woodruff, "Third Order Aberrations in Cassegrain-Type Telescopes and Coma Correction in Servo-Stabilized Images," Appl. Opt. 10, 300-303 (1971)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-10-2-300
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