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1 March 2018 Fast and continuous recording of refreshable holographic stereograms
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Abstract
We present a technique to record refreshable holographic stereograms continuously. We eliminated the translation stage that shifts the recording beams back and forth and replaced it with an uninterrupted transparent belt holding holographic lenses. The belt is driven along a perimeter, shifting the lens laterally in front of a photorefractive screen without reversing direction. The holographic lenses focus the object beam onto holographic pixels and are permanently recorded in a thin photopolymer. The photopolymer material is flexible enough for the lenses to follow the curvature of the belt when it goes around the tensioning rollers. The hogel data are uploaded sequentially onto a spatial light modulator to form the object beam. The rotation of the belt in one single direction allows for a continuous operation and a much faster recording speed than with a translation stage that needs to reverse direction at the end of its travel span.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2018/$25.00 © 2018 SPIE
Pierre-Alexandre J. Blanche, Colton M. Bigler, Jae-Won Ka, and Nasser N. Peyghambarian "Fast and continuous recording of refreshable holographic stereograms," Optical Engineering 57(6), 061608 (1 March 2018). https://doi.org/10.1117/1.OE.57.6.061608
Received: 8 November 2017; Accepted: 2 February 2018; Published: 1 March 2018
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