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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 27 — Sep. 20, 2014
  • pp: G139–G146

Anamorphic optical transformation of an amplitude spatial light modulator to a complex spatial light modulator with square pixels [Invited]

Hwi Kim, Chi-Young Hwang, Kwang-Soo Kim, Jinyoung Roh, Woonchan Moon, Sungmin Kim, Beom-Ryoel Lee, Seungtaik Oh, and Joonku Hahn  »View Author Affiliations


Applied Optics, Vol. 53, Issue 27, pp. G139-G146 (2014)
http://dx.doi.org/10.1364/AO.53.00G139


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Abstract

A method is proposed for the construction of a square pixel complex spatial light modulator (SLM) from a commercial oblong full-high-definition (full-HD) amplitude SLM using an anamorphic optical filter. In the proposed scheme, one half-band of the optical Fourier transform of the amplitude-only spatial light field is rejected in the optical Fourier plane and the other half-band is reformatted to be an effective complex SLM with square pixels. This has an advantage in the viewing window plane since the shape of the viewing window becomes square and more ideal for observers who watch the hologram contents through it. For optimal transformation, the amplitude computer generated hologram encoding scheme was developed. Mathematical modeling of the proposed system is described herein, and it was experimentally demonstrated that the effective complex SLM displays complex holographic three-dimensional images with a clear depth discrimination effect.

© 2014 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(090.2870) Holography : Holographic display
(090.1995) Holography : Digital holography

History
Original Manuscript: June 4, 2014
Revised Manuscript: July 7, 2014
Manuscript Accepted: July 8, 2014
Published: August 11, 2014

Citation
Hwi Kim, Chi-Young Hwang, Kwang-Soo Kim, Jinyoung Roh, Woonchan Moon, Sungmin Kim, Beom-Ryoel Lee, Seungtaik Oh, and Joonku Hahn, "Anamorphic optical transformation of an amplitude spatial light modulator to a complex spatial light modulator with square pixels [Invited]," Appl. Opt. 53, G139-G146 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-27-G139


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