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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 23 — Nov. 5, 2012
  • pp: 26021–26026

Enhancement of depth-of-field in a direct projection-type integral imaging system by a negative lens array

Lei Zhang, Yong Yang, Xing Zhao, Zhiliang Fang, and Xiaocong Yuan  »View Author Affiliations


Optics Express, Vol. 20, Issue 23, pp. 26021-26026 (2012)
http://dx.doi.org/10.1364/OE.20.026021


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Abstract

We propose a method for enhancing depth-of-field, in which the spot size on a marginal depth plane is reduced. This method is implemented in a projection-type integral imaging system using a negative lens array without a diffuser. Numerical simulation results show that the spot size is merely 5.7% of that in a conventional system. Thus, the depth-of-field in the proposed system is enhanced by 17.5 times over that in a conventional system. Optical experiments confirm good agreement between the results and numerical predictions.

© 2012 OSA

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(110.6880) Imaging systems : Three-dimensional image acquisition

ToC Category:
Imaging Systems

History
Original Manuscript: August 23, 2012
Revised Manuscript: October 24, 2012
Manuscript Accepted: October 24, 2012
Published: November 2, 2012

Citation
Lei Zhang, Yong Yang, Xing Zhao, Zhiliang Fang, and Xiaocong Yuan, "Enhancement of depth-of-field in a direct projection-type integral imaging system by a negative lens array," Opt. Express 20, 26021-26026 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-23-26021


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