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Acta Photonica Sinica, Volume. 49, Issue 7, 724001(2020)

Laser Speckle Suppression Based on Tunable Metasurface

Jin CHENG1, Shun ZHOU1, Xue-ping SUN1, Xin-xin PU1, Qi-liang SUN2, Ying-shun XU3, and Wei-guo LIU1
Author Affiliations
  • 1School of Photoelectric Engineering, Xi''an Technological University, Xi''an 710021, China
  • 2Wuxi V-Sensor Technology Co., Ltd, Wuxi, Jiangsu 214101, China
  • 3School of Biomedical Engineering and Technology, Tianjin Medical University, Tianjin 300072, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(7)
    Schematic of speckle suppression device structure

    Fig. 1. Schematic of speckle suppression device structure

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    Design and layout of random phases

    Fig. 2. Design and layout of random phases

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    Design of micro⁃rotation platform

    Fig. 3. Design of micro⁃rotation platform

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    Speckle suppression device and its driving voltage

    Fig. 4. Speckle suppression device and its driving voltage

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    Schematic of the test experiment equipment

    Fig. 5. Schematic of the test experiment equipment

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    Experimental results

    Fig. 6. Experimental results

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    • Table 1. Key parameters of micro rotating platform

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      Table 1. Key parameters of micro rotating platform

      ParameterABDLwhcdN
      Value3.8 mm2.1 mm1 mm510 μm47 μm50 μm150 μm5 μm132
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    Jin CHENG, Shun ZHOU, Xue-ping SUN, Xin-xin PU, Qi-liang SUN, Ying-shun XU, Wei-guo LIU. Laser Speckle Suppression Based on Tunable Metasurface[J]. Acta Photonica Sinica, 2020, 49(7): 724001

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    Paper Information

    Category: Optics at Surfaces

    Received: Mar. 26, 2020

    Accepted: --

    Published Online: Aug. 25, 2020

    The Author Email:

    DOI:10.3788/gzxb20204907.0724001

    Topics

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