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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 19 — Jul. 1, 2011
  • pp: 3375–3382

Effective reduction of the novel look-up table memory size based on a relationship between the pixel pitch and reconstruction distance of a computer-generated hologram

Seung-Cheol Kim, Jae-Ho Kim, and Eun-Soo Kim  »View Author Affiliations


Applied Optics, Vol. 50, Issue 19, pp. 3375-3382 (2011)
http://dx.doi.org/10.1364/AO.50.003375


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Abstract

In this paper, we propose an approach, new to our knowledge, to effectively generate and reconstruct the resolution-enhanced computer-generated hologram (CGH) of three-dimensional (3-D) objects with a significantly reduced in memory size novel look-up table (N-LUT) by taking into account a relationship between the pixel pitch and reconstruction distance of the hologram pattern. In the proposed method, a CGH pattern composed of shifted versions of the principal fringe patterns (PFPs) with a short pixel pitch can be reconstructed just by using the CGH generated with a much longer pixel pitch by controll ing the hologram reconstruction distance. Accordingly, the corresponding N-LUT memory size required for resolution-enhanced hologram patterns can be significantly reduced in the proposed method. To confirm the feasibility of the proposed method, experiments are carried out and the results are discussed.

© 2011 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(090.1760) Holography : Computer holography
(100.6890) Image processing : Three-dimensional image processing
(090.5694) Holography : Real-time holography

ToC Category:
Holography

History
Original Manuscript: February 24, 2011
Manuscript Accepted: April 27, 2011
Published: June 30, 2011

Citation
Seung-Cheol Kim, Jae-Ho Kim, and Eun-Soo Kim, "Effective reduction of the novel look-up table memory size based on a relationship between the pixel pitch and reconstruction distance of a computer-generated hologram," Appl. Opt. 50, 3375-3382 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-19-3375

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