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Laser & Optoelectronics Progress, Volume. 59, Issue 20, 2011009(2022)

Lensless Holographic Retinal Projection Near-Eye Display Based on Phase-Only Holograms

Kefeng Tu1,2, Yujian Pang1,2, Tao Chen1,2, Xu Zhang1,2, Li Liang1,2, Zi Wang1,2、*, Lü Guoqiang1,2、**, and Qibin Feng1,2
Author Affiliations
  • 1Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrumentation and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
  • 2National Engineering Laboratory of Special Display Technology, Academy of Opto-Electric Technology, Hefei University of Technology, Hefei 230009, Anhui, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (31)
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    Figures & Tables(7)
    Calculation and reproduction process of phase-only hologram

    Fig. 1. Calculation and reproduction process of phase-only hologram

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    Influence of distance parameter on hologram calculation. (a) Position relationship between input image plane and imaging plane; (b) relationship between focal length of spherical wave and field of view

    Fig. 2. Influence of distance parameter on hologram calculation. (a) Position relationship between input image plane and imaging plane; (b) relationship between focal length of spherical wave and field of view

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    Experimental optical path

    Fig. 3. Experimental optical path

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    Captured results focused at different depths. (a) Target image; (b) captured result focused at 0.45 m; (c) captured result focused at 0.9 m

    Fig. 4. Captured results focused at different depths. (a) Target image; (b) captured result focused at 0.45 m; (c) captured result focused at 0.9 m

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    Captured results focused at different depths with different viewpoints. (a) (d) Left viewpoints; (b) (e) middle viewpoints; (c) (f) right viewpoints

    Fig. 5. Captured results focused at different depths with different viewpoints. (a) (d) Left viewpoints; (b) (e) middle viewpoints; (c) (f) right viewpoints

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    Color display by time-multiplexing techniques

    Fig. 6. Color display by time-multiplexing techniques

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    Captured results focused at different depths with different viewpoints. (a) (d) Left viewpoints; (b) (e) middle viewpoints;(c) (f) right viewpoints

    Fig. 7. Captured results focused at different depths with different viewpoints. (a) (d) Left viewpoints; (b) (e) middle viewpoints;(c) (f) right viewpoints

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    Kefeng Tu, Yujian Pang, Tao Chen, Xu Zhang, Li Liang, Zi Wang, Lü Guoqiang, Qibin Feng. Lensless Holographic Retinal Projection Near-Eye Display Based on Phase-Only Holograms[J]. Laser & Optoelectronics Progress, 2022, 59(20): 2011009

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    Paper Information

    Category: Imaging Systems

    Received: Jun. 29, 2022

    Accepted: Aug. 20, 2022

    Published Online: Oct. 13, 2022

    The Author Email: Wang Zi (wangzi@hfut.edu.cn), Guoqiang Lü (guoqianglv@hfut.edu.cn)

    DOI:10.3788/LOP202259.2011009

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology