20 September 2007 Recording multiple holograms in a LiNbO3 crystal with one-beam encoding
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Proceedings Volume 6695, Optics and Photonics for Information Processing; 66951C (2007); doi: 10.1117/12.735226
Event: Optical Engineering + Applications, 2007, San Diego, California, United States
Abstract
We discuss a method for the recording of multiple images in a photorefractive LiNbO3 crystal which needs only a single object beam without any reference beam. The object beam is modulated by a lenticular lens array sheet to produce a set of sub-object beams. These beams are angularly separated on the recording plane but are made to overlap by light scattered light by the photorefractive LiNbO3 crystal. The result is that only a single beam is needed to record multiple holograms. Experimental results show that four holograms can be stored in a photorefractive LiNbO3:Fe crystal 30 mm X 30 mm X 1 mm in size at the same time. The proposed method makes it especially simple to produce one-beam write/read multiple holograms.
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Ching-Yang Lin, Wen-Kuei Yang, Li-Chuan Tang, Chi-Ching Chang, Hon-Fai Yau, "Recording multiple holograms in a LiNbO3 crystal with one-beam encoding", Proc. SPIE 6695, Optics and Photonics for Information Processing, 66951C (20 September 2007); doi: 10.1117/12.735226; https://doi.org/10.1117/12.735226
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KEYWORDS
Crystals

Lenticular lenses

Holograms

Laser crystals

Diffraction

Holography

Computer programming

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