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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 31 — Nov. 1, 2008
  • pp: 5893–5902

Defocus sensitivity optimization using the defocus Taylor expansion of the optical transfer function

Shane Barwick  »View Author Affiliations


Applied Optics, Vol. 47, Issue 31, pp. 5893-5902 (2008)
http://dx.doi.org/10.1364/AO.47.005893


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Abstract

The Taylor expansion of the incoherent optical transfer function with respect to defocus is a valuable tool in the design and analysis of computational imaging systems. It efficiently describes the behavior of the system near best focus and beyond. Formulas for computing the coefficients in this expansion are derived and shown to be amenable to efficient digital calculation. Their application to the design of phase masks for systems insensitive to defocus aberrations and for systems that estimate object range are explored.

© 2008 Optical Society of America

OCIS Codes
(110.4850) Imaging systems : Optical transfer functions
(150.5670) Machine vision : Range finding
(150.6910) Machine vision : Three-dimensional sensing
(110.1758) Imaging systems : Computational imaging
(110.3925) Imaging systems : Metrics

ToC Category:
Imaging Systems

History
Original Manuscript: May 16, 2008
Revised Manuscript: September 9, 2008
Manuscript Accepted: September 16, 2008
Published: October 30, 2008

Citation
Shane Barwick, "Defocus sensitivity optimization using the defocus Taylor expansion of the optical transfer function," Appl. Opt. 47, 5893-5902 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-31-5893

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