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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 24 — Aug. 20, 2011
  • pp: 4711–4719

High-resolution digital holography utilized by the subpixel sampling method

Daniel Claus, Marco Fritzsche, Daciana Iliescu, Brenda Timmerman, and Peter Bryanston-Cross  »View Author Affiliations


Applied Optics, Vol. 50, Issue 24, pp. 4711-4719 (2011)
http://dx.doi.org/10.1364/AO.50.004711


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Abstract

A novel (to our knowledge) approach for resolution improvement in digital holography is presented in this paper. The proposed method is based on recording the incoming interference field on a complementary metal-oxide semiconductor (CMOS) camera with subpixel resolution. The method takes advantage of the small pixel size of the CMOS sensor, while overcoming the reduced fill factor. This paper describes the experimental and numerical procedures. The improvement of the obtainable optical resolution, image quality, and phase measurement accuracy are demonstrated within this paper.

© 2011 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(100.2980) Image processing : Image enhancement
(110.0180) Imaging systems : Microscopy
(110.1650) Imaging systems : Coherence imaging
(110.6150) Imaging systems : Speckle imaging
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: February 11, 2011
Revised Manuscript: June 29, 2011
Manuscript Accepted: June 30, 2011
Published: August 10, 2011

Virtual Issues
Vol. 6, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Daniel Claus, Marco Fritzsche, Daciana Iliescu, Brenda Timmerman, and Peter Bryanston-Cross, "High-resolution digital holography utilized by the subpixel sampling method," Appl. Opt. 50, 4711-4719 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-24-4711


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References

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