Investigation on Lippmann photographs: materials, processes, and color rendition

Jean-Marc R. Fournier

doi:10.1117/12.172627

1 May 1994 Investigation on Lippmann photographs: materials, processes, and color rendition

Jean-Marc R. Fournier

Proceedings Volume 2176, Practical Holography VIII; (1994) https://doi.org/10.1117/12.172627
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States

Abstract

Reality of holographic image can be effectively improved by multicolor reconstruction. This fact is applicable to real-time 3D display by computer generated hologram (CGH). However, generating CGH for multicolor imaging in real-time is quite difficult because a CGH contains huge amount of information and it is multiplexed by the number of primary colors for multicolor imaging. Moreover, an optical system for multicolor reconstruction tends to be rather complicated. This paper presents a new method to reconstruct 3D multicolor images from CGH. In this method, three sub-holograms reconstructing primary color images are sampled respectively to reduce the amount of computation and realize the simple optical system. Fringe patterns are displayed on only one spatial light modulator and color crosstalk images are eliminated with color filtering system to ensure that each sub-hologram is illuminated only with the light of the appropriate color. As the experimental results, multicolor images from CGH using this method and the improvement of calculation time to generated multicolor images are shown.

Citation Download Citation

Jean-Marc R. Fournier "Investigation on Lippmann photographs: materials, processes, and color rendition", Proc. SPIE 2176, Practical Holography VIII, (1 May 1994); https://doi.org/10.1117/12.172627

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