Title: Full Color Image Splitter Based on Holographic Optical Elements for Stereogram Application
Authors: Deng, Qing-Long
Su, Wei-Chia
Chen, Chien-Yue
Lin, Bor-Shyh
Ho, Hsin-Wei
Institute of Photonic System
Institute of Imaging and Biomedical Photonics
Keywords: Crosstalk;diffraction;displays;holographic optical components
Issue Date: 1-Aug-2013
Abstract: A color holographic beam splitter (CHBS) applied to an autostereoscopic display is proposed in this study. With high-stability polymer-dispersed-liquid-crystals (PDLC) being the holographic materials, holographic grating is utilized as a full-color beam splitter to split left and right field of views (FOVs) of a stereoscopic display. When CHBS is attached, the experimental results show that the correct left/right FOVs images could be successfully obtained at the preset observing distance of 25 cm. Moreover, the diffraction efficiency of the red, green and blue (RGB) left/right FOVs of the PDLC materials remained at 30.0% on average. Apparently, the brightness efficiency of the proposed CHBS stereo-displays is better than the traditional stereo-displays with a parallax barrier (22.4%). In addition, a crosstalk contrast with 95.0% indicates the crosstalk problem is almost avoided in the proposed technique.
URI: http://dx.doi.org/10.1109/JDT.2013.2258137
ISSN: 1551-319X
DOI: 10.1109/JDT.2013.2258137
Volume: 9
Issue: 8
Begin Page: 607
End Page: 612
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