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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 20 — Oct. 15, 2005
  • pp: 2715–2717

Decomposition of the optical transfer function: wavefront coding imaging systems

Gonzalo Muyo and Andy R. Harvey  »View Author Affiliations


Optics Letters, Vol. 30, Issue 20, pp. 2715-2717 (2005)
http://dx.doi.org/10.1364/OL.30.002715


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Abstract

We describe the mapping of the optical transfer function (OTF) of an incoherent imaging system into a geometrical representation. We show that for defocused traditional and wavefront-coded systems the OTF can be represented as a generalized Cornu spiral. This representation provides a physical insight into the way in which wavefront coding can increase the depth of field of an imaging system and permits analytical quantification of salient OTF parameters, such as the depth of focus, the location of nulls, and amplitude and phase modulation of the wavefront-coding OTF.

© 2005 Optical Society of America

OCIS Codes
(080.3620) Geometric optics : Lens system design
(110.0110) Imaging systems : Imaging systems
(110.4850) Imaging systems : Optical transfer functions

ToC Category:
Imaging Systems

Citation
Gonzalo Muyo and Andy R. Harvey, "Decomposition of the optical transfer function: wavefront coding imaging systems," Opt. Lett. 30, 2715-2717 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-20-2715


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References

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