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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 34 — Dec. 1, 2011
  • pp: H50–H55

Speckle suppression in holographic projection displays using temporal integration of speckle images from diffractive optical elements

Wei-Feng Hsu and Chuan-Feng Yeh  »View Author Affiliations

Applied Optics, Vol. 50, Issue 34, pp. H50-H55 (2011)

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Speckles on images in holographic projection displays (HPDs) were efficiently suppressed by the temporal sum of two diffractive images generated from diffractive optical elements (DOEs). Using a modified iterative Fourier transform algorithm, we obtained pairs of phase-only DOEs that generated the diffractive images with high negative correlation coefficients of 0.827 and 0.490 in the one-dimensional and the two-dimensional simulations, respectively. The suppression ratios of the speckles in the two simulations were 0.301 and 0.457, which were 61% and 35% lower, respectively, than the sum of the two uncorrelated images. We have successfully demonstrated that the sum of two negatively correlated images from DOEs can effectively reduce the image speckles and improve the image quality in HPD systems.

© 2011 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(090.2870) Holography : Holographic display
(110.6150) Imaging systems : Speckle imaging

ToC Category:
Holographic Reconstruction, Display, and Projection

Original Manuscript: August 1, 2011
Manuscript Accepted: September 12, 2011
Published: October 26, 2011

Virtual Issues
Digital Holography and 3D Imaging 2011 (2011) Applied Optics

Wei-Feng Hsu and Chuan-Feng Yeh, "Speckle suppression in holographic projection displays using temporal integration of speckle images from diffractive optical elements," Appl. Opt. 50, H50-H55 (2011)

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