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High-resolution digital holography utilized by the subpixel sampling method |
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/vjbo/abstract.cfm?URI=ao-50-24-4711
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