Catadioptric lens with aberrations balanced by aspherizing one surface

Details Catadioptric lens with aberrations balanced by aspherizing one surface Catadioptric lens with aberrations balanced by aspherizing one surface

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apopt..24.1206b&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 24, April 15, 1985, p. 1206-1208.

Physics

Optics

1

Aberration, Asphericity, Cassegrain Optics, Lens Design, Optical Correction Procedure, Computer Aided Design, Design Analysis, Mirrors, Optimization, Surface Geometry, Telescopes

Scientific paper

In this paper a description is provided of an optical system with one surface aspherized to give a specific level of performance and to equalize the intensity profiles of star images over the field. The system was a 25.4-cm EFL, 5.8 deg field, f/1.53 catadioptric Cassegrain. It was designed to determine the attitude of a space platform by detecting and mapping the geometric pattern of stars observed to ninth visual magnitude. Aberrations were controlled over a 0.5-1.1-micron spectral region. A comparison is conducted of the polychromatic performance of the design to one conventionally optimized. How the spherical substrate base radius was chosen to minimize glass removal is also described.

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