Improvement of diffraction efficiency of flat-panel coherent backlight for holographic displays | Zendy

Weisheng Hu | Zendy; Chao Ping Chen | Zendy; Yan Li | Zendy; Zhenghong He | Zendy; Xiao Li | Zendy; Pengcheng Zhou | Zendy; Jiangang Lü | Zendy; Yikai Su | Zendy

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Improvement of diffraction efficiency of flat-panel coherent backlight for holographic displays

Author(s) -

Weisheng Hu,

Chao Ping Chen,

Yan Li,

Zhenghong He,

Xiao Li,

Pengcheng Zhou,

Jiangang Lü,

Yikai Su

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.004726

Subject(s) - optics , backlight , holography , diffraction efficiency , diffraction , holographic display , physics , spatial frequency , spatial light modulator , liquid crystal display

Coherent backlight is an essential component for holographic displays. In this paper, a compact design of edge-lit coherent backlight featuring two holographic optical elements for two-dimensional beam expansion is presented. Its diffraction efficiency is numerically studied using the coupled-wave theory. In experiments, the diffraction efficiency is measured as 4.3% and the feasibility of this design is verified by reconstructing 3D images with a spatial light modulator.

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