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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 17, Iss. 6 — Mar. 15, 1978
  • pp: 964–968

Included power for obscured circular pupils

Virendra N. Mahajan  »View Author Affiliations


Applied Optics, Vol. 17, Issue 6, pp. 964-968 (1978)
http://dx.doi.org/10.1364/AO.17.000964


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Abstract

Power contained in a square area of an image formed by a diffraction-limited imaging system with a centrally obscured circular pupil is calculated and compared with the power contained in a circular area. It is shown that, regardless of the amount of obscuration, the difference between the corresponding ensquared and encircled powers is less than 9% of the total image power. Approximate expressions are obtained for the power lying outside a large square or a circular area.

© 1978 Optical Society of America

History
Original Manuscript: July 29, 1977
Published: March 15, 1978

Citation
Virendra N. Mahajan, "Included power for obscured circular pupils," Appl. Opt. 17, 964-968 (1978)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-17-6-964

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