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Proceedings Paper

Computer-generated holograms in photorefractive LiNbO3 crystal
Author(s): Kiyoshi Nakagawa; Shinya Iguchi; Takumi Minemoto
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Paper Abstract

Photorefractive Fe doped LiNbO3 single crystal has been proposed to be a material for Computer-Generated Hologram (CGH). The diffraction efficiency of the synthesized CGH was experimentally estimated at around 20 percent. In this estimation, several kinds of diffraction grating were constructed in the crystal by a focused laser beam that was manipulated by a laser beam scanner. Also, by using the same system, a well designed digital CGH was synthesized in Fe:LiNbO3 single crystal. This CGH enable to reconstruct the recorded pattern with the desired intensity in an optical Fourier transformation system.

Paper Details

Date Published: 9 October 1998
PDF: 7 pages
Proc. SPIE 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV, (9 October 1998); doi: 10.1117/12.326844
Show Author Affiliations
Kiyoshi Nakagawa, Kobe Univ. (Japan)
Shinya Iguchi, Kobe Univ. (Japan)
Takumi Minemoto, Kobe Univ. (Japan)


Published in SPIE Proceedings Vol. 3470:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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