Abstract: Master holograms with color coding are widely used in making true color embossed holograms, such as 2D holograms and stereograms. But the master hologram can not be used to record true color relief rainbow hologram of 3D object with single laser light. A new master hologram with both color and position coding for true color 3D embossed hologram is presented in this paper. The characteristics of the new master hologram are analyzed in detail.!4
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