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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 11 — Jun. 1, 2008
  • pp: 1171–1173

Improved logarithmic phase mask to extend the depth of field of an incoherent imaging system

Hui Zhao, Qi Li, and Huajun Feng  »View Author Affiliations


Optics Letters, Vol. 33, Issue 11, pp. 1171-1173 (2008)
http://dx.doi.org/10.1364/OL.33.001171


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Abstract

A logarithmic phase mask was proposed in 2001, and the depth extension effect was proved at the same time. Three years later, in 2004, further research on that kind of mask obtained more results. This valuable work can be found in two papers [ Proc. SPIE 4471, 272 (2001) and Appl. Opt. 43, 2709 (2004) ]. We reviewed the papers carefully and made simple modifications to that mask. The modified phase mask still had the logarithmic form, but the simulation results demonstrated that it was superior to the original one.

© 2008 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(110.1758) Imaging systems : Computational imaging

ToC Category:
Imaging Systems

History
Original Manuscript: February 29, 2008
Revised Manuscript: April 6, 2008
Manuscript Accepted: April 13, 2008
Published: May 22, 2008

Citation
Hui Zhao, Qi Li, and Huajun Feng, "Improved logarithmic phase mask to extend the depth of field of an incoherent imaging system," Opt. Lett. 33, 1171-1173 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-11-1171

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