• Chinese Journal of Lasers
  • Vol. 40, Issue 3, 309001 (2013)
Wang Hao1、2、*, Bi Yong1, Li Fang1、2, and Qi Yan1
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    DOI: 10.3788/cjl201340.0309001 Cite this Article Set citation alerts
    Wang Hao, Bi Yong, Li Fang, Qi Yan. Enlargement Technology of Reconstructed Image of Computer Generated Hologram Based on Spatial Light Modulator[J]. Chinese Journal of Lasers, 2013, 40(3): 309001 Copy Citation Text show less

    Abstract

    The enlargement of reconstructed image of computer generated hologram (CGH) display system based on phase-only special light modulator (SLM) can be realized by theoretical algorithm and experiment. Based on analysis of the theory of CGH, the method to enlarge the size of reconstructed picture by similarity principle of Fourier transform is proposed, and the adjustable reconstructed image size of CGH from frequency domain to space domain is achieved. It′s confirmed that the reconstructed image which is two to three times bigger than before can be displayed clearly by the experimental platform based on SLM. The suppression of zero-order bright spot is realized in some degree base on phase shift theory. The experimental results show that this theory can realize to enlarge the reconstructed image effectively, and get clear reconstructed image without the effect of zero-order bright spot under the help of phase shift theory.
    Wang Hao, Bi Yong, Li Fang, Qi Yan. Enlargement Technology of Reconstructed Image of Computer Generated Hologram Based on Spatial Light Modulator[J]. Chinese Journal of Lasers, 2013, 40(3): 309001
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