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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 34 — Dec. 1, 2009
  • pp: H196–H202

Regular effective hologram regions for computer generated holography

Shuhong Xu, Farzam Farbiz, Sanjeev Solanki, Xinan Liang, Yuechao Pan, and Xuewu Xu  »View Author Affiliations


Applied Optics, Vol. 48, Issue 34, pp. H196-H202 (2009)
http://dx.doi.org/10.1364/AO.48.00H196


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Abstract

An effective hologram region (EHR) based approach is presented to speed up the computation of computer generated holograms (CGHs). The object space is predivided into subspaces, and an EHR for each subspace is predefined according to the maximum spatial frequency of interference fringes, light diffraction efficiency, and CGH binarization effect. To compute the hologram of an object, the object points are first categorized according to which subspace they are located in, and then their holograms are calculated using the corresponding EHRs. As each EHR usually takes up only a portion of the hologram plate, the CGH computational load is thus reduced. This new approach is highly suitable for large hologram display systems. In addition, when compared to the reconstructed image using the conventional approach, our experimental results show that more noise can be blocked off and the reconstructed image appears sharper without noticeable brightness reduction.

© 2009 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(090.2870) Holography : Holographic display

ToC Category:
Computer-Generated Holography

History
Original Manuscript: July 2, 2009
Revised Manuscript: October 23, 2009
Manuscript Accepted: October 23, 2009
Published: November 9, 2009

Citation
Shuhong Xu, Farzam Farbiz, Sanjeev Solanki, Xinan Liang, Yuechao Pan, and Xuewu Xu, "Regular effective hologram regions for computer generated holography," Appl. Opt. 48, H196-H202 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-34-H196

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