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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 1 — Jan. 1, 1983
  • pp: 133–136

Imaging performance of annular apertures. 4: Apodization and point spread functions

Hubert F. A. Tschunko  »View Author Affiliations


Applied Optics, Vol. 22, Issue 1, pp. 133-136 (1983)
http://dx.doi.org/10.1364/AO.22.000133


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Abstract

Apodizations with decreasing transmissions and with central obstructions transmute the point spread functions in image size and in the distribution of image irradiance. The distributions are characterized by the envelope functions which are exponential functions descending with variable exponents. At high apodization levels and lower central obstruction (<0.1) new extended radial zones in the outer part of the central ring groups are formed. Such transmutations of the image functions are of more than theoretical interest, particularly if the irradiance levels in the outer ring zones are to be compared to background irradiance levels.

© 1983 Optical Society of America

History
Original Manuscript: September 11, 1982
Published: January 1, 1983

Citation
Hubert F. A. Tschunko, "Imaging performance of annular apertures. 4: Apodization and point spread functions," Appl. Opt. 22, 133-136 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-1-133

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