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Proceedings Article

Development of direct fringe printer for computer-generated holograms

[+] Author Affiliations
Hiroshi Yoshikawa, Makoto Tachinami

Nihon Univ. (Japan)

Proc. SPIE 5742, Practical Holography XIX: Materials and Applications, 259 (May 05, 2005); doi:10.1117/12.589550
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From Conference Volume 5742

  • Practical Holography XIX: Materials and Applications
  • Tung H. Jeong; Hans I. Bjelkhagen
  • San Jose, California, United States | January 22, 2005

abstract

It becomes quite easy to calculate over one hundred million pixels computer-generated hologram of three-dimensional object, even with normal personal computers. On the other hand, it is not so easy to output the calculated result as a hologram that must have micron order resolution for practical three-dimensional display. We have developed a direct fringe printer, which consists of a laser, an X-Y stage and a liquid crystal panel as a spatial light modulator. A fractional part of the entire holographic fringe is displayed on the liquid crystal panel, and the demagnified image of it is recorded on a holographic plate. Then the plate is translated by the x-y stage to write next part of the fringe. We have made some improvements on our previous system. We achieved to print 192 Mega-pixel hologram with 2.8-micron pitch within 40 minutes, three times faster than the previous one. We have also printed 768 Mega-pixel hologram and the full-color rainbow hologram.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Hiroshi Yoshikawa and Makoto Tachinami
"Development of direct fringe printer for computer-generated holograms", Proc. SPIE 5742, Practical Holography XIX: Materials and Applications, 259 (May 05, 2005); doi:10.1117/12.589550; http://dx.doi.org/10.1117/12.589550


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