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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 23, Iss. 12 — Jun. 15, 1984
  • pp: 1907–1913

Spider diffraction: a comparison of curved and straight legs

John L. Richter  »View Author Affiliations


Applied Optics, Vol. 23, Issue 12, pp. 1907-1913 (1984)
http://dx.doi.org/10.1364/AO.23.001907


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Abstract

It has been known for some time that, if curved legs rather than the usual straight ones are used in the spider that supports the secondary optics in certain telescopes, the visible diffraction effect is reduced. Fraunhofer theory is used to calculate the diffraction effects due to the curved leg spider. Calculated and photographic diffraction patterns are compared for straight and curved leg spiders.

© 1984 Optical Society of America

History
Original Manuscript: January 4, 1984
Published: June 15, 1984

Citation
John L. Richter, "Spider diffraction: a comparison of curved and straight legs," Appl. Opt. 23, 1907-1913 (1984)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-23-12-1907


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References

  1. A. Couder, in Amateur Telescope Making Advanced, A. G. Ingalls, Ed. (Scientific American, New York, 1949), p. 620.
  2. M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1980).
  3. G. N. Watson, Treatise on the Theory of Bessel Functions (Cambridge U.P., London, 1952).
  4. E. Jahnke, F. Emde, Tables of Functions (Dover, New York, 1945).

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