Full-color holographic 3D printer

Masami Takano; Hiroaki Shigeta; Takashi Nishihara; Masahiro Yamaguchi; Susumu Takahashi; Nagaaki Ohyama; Akihiko Kobayashi; Fujio Iwata

doi:10.1117/12.478432

4 June 2003 Full-color holographic 3D printer

Masami Takano, Hiroaki Shigeta, Takashi Nishihara, Masahiro Yamaguchi, Susumu Takahashi, Nagaaki Ohyama, Akihiko Kobayashi, Fujio Iwata

Author Affiliations +

Proceedings Volume 5005, Practical Holography XVII and Holographic Materials IX; (2003) https://doi.org/10.1117/12.478432
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

A holographic 3D printer is a system that produces a direct hologram with full-parallax information using the 3-dimensional data of a subject from a computer. In this paper, we present a proposal for the reproduction of full-color images with the holographic 3D printer. In order to realize the 3-dimensional color image, we selected the 3 laser wavelength colors of red (λ=633nm), green (λ=533nm), and blue (λ=442nm), and we built a one-step optical system using a projection system and a liquid crystal display. The 3-dimensional color image is obtained by synthesizing in a 2D array the multiple exposure with these 3 wavelengths made on each 250mm elementary hologram, and moving recording medium on a x-y stage. For the natural color reproduction in the holographic 3D printer, we take the approach of the digital processing technique based on the color management technology. The matching between the input and output colors is performed by investigating first, the relation between the gray level transmittance of the LCD and the diffraction efficiency of the hologram and second, by measuring the color displayed by the hologram to establish a correlation. In our first experimental results a non-linear functional relation for single and multiple exposure of the three components were found. These results are the first step in the realization of a natural color 3D image produced by the holographic color 3D printer.

Citation Download Citation

Masami Takano, Hiroaki Shigeta, Takashi Nishihara, Masahiro Yamaguchi, Susumu Takahashi, Nagaaki Ohyama, Akihiko Kobayashi, and Fujio Iwata "Full-color holographic 3D printer", Proc. SPIE 5005, Practical Holography XVII and Holographic Materials IX, (4 June 2003); https://doi.org/10.1117/12.478432

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