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Acta Optica Sinica, Volume. 37, Issue 12, 1222001(2017)

Design of MEMS Laser Scanning Retinal Projection Display System

Junguo Lin1, Qiang Cong1, Chen Xu1, Dewen Cheng1,2、*, and Yongtian Wang1,2
Author Affiliations
  • 1 School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
  • 2 Beijing Engineering Research Center of Mixed Reality and Advanced Display, Beijing 100081, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (17)
    Cited By (8)
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    Figures & Tables(11)
    Diagram of VAC. (a) Natural vision; (b) VR vision; (c) AR vision

    Fig. 1. Diagram of VAC. (a) Natural vision; (b) VR vision; (c) AR vision

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    Optical path of conventional RPD

    Fig. 2. Optical path of conventional RPD

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    Feasibility verification optical system of RPD

    Fig. 3. Feasibility verification optical system of RPD

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    Imaging effect figures. (a) Normal image; (b) image with black speckle

    Fig. 4. Imaging effect figures. (a) Normal image; (b) image with black speckle

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    Optical path of RPD based on MEMS

    Fig. 5. Optical path of RPD based on MEMS

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    Optical path of RPD optical system

    Fig. 6. Optical path of RPD optical system

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    MTF curve of RPD optical system

    Fig. 7. MTF curve of RPD optical system

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    Beam synthesis propagation of image plane of RPD optical system

    Fig. 8. Beam synthesis propagation of image plane of RPD optical system

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    (a) Prototype of RPD optical system; (b) wearing performance

    Fig. 9. (a) Prototype of RPD optical system; (b) wearing performance

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    (a) Image source; (b) imaging effect diagram of focusing on the close-distance plane; (c) imaging effect diagram of focusing on the far-distance plane

    Fig. 10. (a) Image source; (b) imaging effect diagram of focusing on the close-distance plane; (c) imaging effect diagram of focusing on the far-distance plane

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    • Table 1. Specification parameters of RPD

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      Table 1. Specification parameters of RPD

      ParameterSpecification
      ConfigurationOn-axis catadioptric
      Effective focal length35.78 mm
      Diagonal field of view40°
      Eye relief10 mm
      Resolution720 pixel×480 pixel
      MEMS mirror diameter1 mm
      Interpupillary distance adjustable range0~20 mm
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    Junguo Lin, Qiang Cong, Chen Xu, Dewen Cheng, Yongtian Wang. Design of MEMS Laser Scanning Retinal Projection Display System[J]. Acta Optica Sinica, 2017, 37(12): 1222001

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    Paper Information

    Category: Optical Design and Fabrication

    Received: May. 27, 2017

    Accepted: --

    Published Online: Sep. 6, 2018

    The Author Email: Cheng Dewen (cdwlxk@163.com)

    DOI:10.3788/AOS201737.1222001

    Topics

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