• Chinese Journal of Lasers
  • Vol. 20, Issue 6, 463 (1993)
[in Chinese], [in Chinese], and [in Chinese]
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  • [in Chinese]
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    [in Chinese], [in Chinese], [in Chinese]. A new method of making and reconstructing image color hologram[J]. Chinese Journal of Lasers, 1993, 20(6): 463 Copy Citation Text show less

    Abstract

    This paper proposes the new method of making image color hologram and reconstructing this kind of color hologram with white-light. According to Kogelnik's coupled theory of thick hologram, the angular sensitivity of the volume phase hologram is very high, while its wavelength sensitivity is rather low. Making use of this,three primary color reference beams can project on the holographic plate along different orientations respectively in accordance with the requirement of the angular sensitivities. When the hologram taken by this method is illuminated by the three primary color general light beams whose spacial frequencies are equal to the three primary color reference beams respectively, the three-dimensional true color holographic image of the original object will be reconstructed with the cross-talk removed. Using three holographic gratings to select the three primary wave bands from white-light for reconstruction and compensating for the dispersion of the color hologram, this kind of white-light reconstruction method can obtain three-dimensional color image without color blur.
    [in Chinese], [in Chinese], [in Chinese]. A new method of making and reconstructing image color hologram[J]. Chinese Journal of Lasers, 1993, 20(6): 463
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