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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 24 — Aug. 20, 2008
  • pp: 4302–4308

Elimination of conjugate image for holograms using a resolution redistribution optical system

Yasuhiro Takaki and Yuki Hayashi  »View Author Affiliations


Applied Optics, Vol. 47, Issue 24, pp. 4302-4308 (2008)
http://dx.doi.org/10.1364/AO.47.004302


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Abstract

A technique to alter the ratio of the horizontal and vertical resolution of a spatial light modulator has been proposed. This technique increases the horizontal resolution by a factor of K and decreases the vertical resolution by a factor of 1 / K . The proposed technique increases the horizontal viewing angle by a factor of approximately K, although a conjugate image appeared. In the present study, the resolution redistribution technique is modified to eliminate the conjugate image. The height of a horizontal slit placed on the Fourier plane of a 4 ‚ÄČ f imaging system used for the resolution redistribution system is reduced by half. The horizontal resolution becomes K times larger, and the vertical resolution becomes 1 / 2 K times smaller. The improved technique generates only the object wave. We demonstrated fourfold enlargement of the horizontal resolution to increase the horizontal viewing angle by approximately four times without generating the conjugate image.

© 2008 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(090.1970) Holography : Diffractive optics
(090.2870) Holography : Holographic display
(100.2000) Image processing : Digital image processing
(070.6120) Fourier optics and signal processing : Spatial light modulators

ToC Category:
Holography

History
Original Manuscript: April 14, 2008
Manuscript Accepted: June 16, 2008
Published: August 11, 2008

Citation
Yasuhiro Takaki and Yuki Hayashi, "Elimination of conjugate image for holograms using a resolution redistribution optical system," Appl. Opt. 47, 4302-4308 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-24-4302

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