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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 16 — Jun. 1, 2007
  • pp: 3107–3117

Circle of least confusion of a spherical reflector

Robert W. Hosken  »View Author Affiliations


Applied Optics, Vol. 46, Issue 16, pp. 3107-3117 (2007)
http://dx.doi.org/10.1364/AO.46.003107


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Abstract

A simple, tractable equation is provided for determining the size and location of the circle of least confusion of a concave spherical reflector. This method is exact for the object at infinity and with wave effects neglected. Designers of large radius Arecibo-like telescopes, both radio and optical, with symmetrical, spherical primaries should find the method useful. The mathematical results are valid for apertures with an angle of incidence up to 45°. Comparisons of the location of the disk of least confusion with longitudinal spherical aberration and the radius of the disk with transverse spherical aberration are presented.

© 2007 Optical Society of America

OCIS Codes
(080.1010) Geometric optics : Aberrations (global)
(080.1510) Geometric optics : Propagation methods
(080.2720) Geometric optics : Mathematical methods (general)
(080.2740) Geometric optics : Geometric optical design

ToC Category:
Geometrical optics

History
Original Manuscript: December 7, 2006
Manuscript Accepted: January 11, 2007
Published: May 15, 2007

Citation
Robert W. Hosken, "Circle of least confusion of a spherical reflector," Appl. Opt. 46, 3107-3117 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-16-3107

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