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Opt Express. 2012 Mar 26;20(7):6897-904. doi: 10.1364/OE.20.006897.

Multiple-hologram recording with one-beam encoding.

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  • 1School of Defense Science, National Defense University, Tashi, Taoyuan 33509, Taiwan.


This research proposes a method that uses a single object beam to record multiple images in a photorefractive crystal medium without having to use any reference wave. The object beam in this study is modulated using a lenticular lens array sheet to produce a set of sub-object beams. These beams are then angularly separated on the recording plane and their scattered waves overlapped in an iron-doped photorefractive LiNbO₃ crystal. This single-exposure, multiple-holographic-recording method is simple and proven successful via the experiments that recorded four holograms in a 30 x 1 mm³ LiNbO₃:Fe crystal with single exposure.

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