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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 7, Iss. 12 — Dec. 1, 2009
  • pp: 1151–1154

High-quality three-dimensional holographic display with use of multiple fractional Fourier transform

Huadong Zheng, Yingjie Yu, Tao Wang, and Linmao Dai  »View Author Affiliations

Chinese Optics Letters, Vol. 7, Issue 12, pp. 1151-1154 (2009)

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In order to realize holographic display of three-dimensional (3D) objects and suppress zero-order light, conjugate image, and speckle noise, a novel method is proposed based on multiple fractional Fourier transform (M-FrFT) for calculating holograms of 3D objects. A series of kinoforms are generated by adding pseudorandom phase factor (PPF) to object planes in calculating each kinoform, and generating the PPF randomly again in the next kinoform calculation. The reconstructed images from kinoform sequence are superposed together in order to suppress the speckle noise of reconstructed image and improve the contrast and detail resolution of the reconstructed images. The qualities of reconstructed images from single amplitude hologram, single kinoform, and kinoform sequence calculated by M-FrFT are compared. The effects of suppressing speckle noise are analyzed by calculating the speckle index of numerical reconstructed images. The analytical results illustrate that, with the proposed method for 3D holographic display, the zero-order light, conjugate image, and speckle noise can be suppressed, and the qualities of reconstructed images can be improved significantly.

© 2009 Chinese Optics Letters

OCIS Codes
(090.1760) Holography : Computer holography
(100.6890) Image processing : Three-dimensional image processing
(070.2575) Fourier optics and signal processing : Fractional Fourier transforms

Huadong Zheng, Yingjie Yu, Tao Wang, and Linmao Dai, "High-quality three-dimensional holographic display with use of multiple fractional Fourier transform," Chin. Opt. Lett. 7, 1151-1154 (2009)

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