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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 2 — Jan. 10, 2011
  • pp: 183–193

Resolution analysis of a digital holography system

Yan Hao and Anand Asundi  »View Author Affiliations


Applied Optics, Vol. 50, Issue 2, pp. 183-193 (2011)
http://dx.doi.org/10.1364/AO.50.000183


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Abstract

Although digital holography (DH) has many advantages compared to conventional holography, its resolution is limited due to CCDs or other recording devices. Three factors contribute to this limitation, namely, the pixel averaging effect within the finite detection size of one pixel, a finite CCD aperture size limitation, and the sampling effect due to a finite sampling interval. In this paper, interactions of the three factors on resolution are investigated and presented. The resolution of a DH system can be determined for given parameters of these three factors. The domains dominated by different factors are explained along with their accuracy. As a DH system is space variant, influences of object extent on resolution are also discussed. The resolution performance of in-line and off-axis systems is studied and examples of resolution determination for a practical system are provided.

© 2011 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(110.6880) Imaging systems : Three-dimensional image acquisition
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: October 5, 2010
Manuscript Accepted: November 17, 2010
Published: January 7, 2011

Citation
Yan Hao and Anand Asundi, "Resolution analysis of a digital holography system," Appl. Opt. 50, 183-193 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-2-183


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