31 October 2016 Optical scanning holography for stereoscopic display
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Abstract
Optical Scanning Holography (OSH) is a scanning-type digital holographic recording technique. One of OSH’s most important properties is that the OSH can record an incoherent hologram, which is free of speckle and thus is suitable for the applications of holographic display. The recording time of a scanning hologram is proportional to the sampling resolution. Hence the viewing angle as well as the resolution of a scanning hologram is limited for avoid too long recording. As a result, the viewing angle is not large enough for optical display. To solve this problem, we recorded two scanning holograms at different viewing angles. The two holograms are synthesized to a single stereoscopic hologram with two main viewing angles. In displaying, two views at the two main viewing angles are reconstructed. Because both views contain full-depth-resolved 3D scenes, the problem of accommodation conflict in conventional stereogram is avoided.
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Jung-Ping Liu, Hsuan-Hsuan Wen, "Optical scanning holography for stereoscopic display", Proc. SPIE 10022, Holography, Diffractive Optics, and Applications VII, 100220K (31 October 2016); doi: 10.1117/12.2245082; https://doi.org/10.1117/12.2245082
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