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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 14 — May. 10, 2005
  • pp: 2792–2798

Experimental realization of an imaging system with an extended depth of field

Eyal Ben-Eliezer, Emanuel Marom, Naim Konforti, and Zeev Zalevsky  »View Author Affiliations


Applied Optics, Vol. 44, Issue 14, pp. 2792-2798 (2005)
http://dx.doi.org/10.1364/AO.44.002792


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Abstract

We describe the experimental realization of an all-optical imaging system with an extended depth of field (DOF). The core of the system is a phase mask consisting of 16 Fresnel lenses (FLs) that are spatially multiplexed and mutually exclusive. Because each FL, in tandem with the primary lens, is designed to produce a sharp image for a specific object plane location, jointly the FLs achieve a wide DOF. However, the resultant image exhibits reduced resolution. The acquired image, onto which we did not apply any postprocessing, clearly is sharper than that acquired with a clear-aperture imaging system with the same pupil size.

© 2005 Optical Society of America

OCIS Codes
(080.1010) Geometric optics : Aberrations (global)
(080.3620) Geometric optics : Lens system design
(110.0110) Imaging systems : Imaging systems

History
Original Manuscript: July 2, 2004
Revised Manuscript: December 14, 2004
Manuscript Accepted: December 19, 2004
Published: May 10, 2005

Citation
Eyal Ben-Eliezer, Emanuel Marom, Naim Konforti, and Zeev Zalevsky, "Experimental realization of an imaging system with an extended depth of field," Appl. Opt. 44, 2792-2798 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-14-2792

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