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Chinese Optics Letters, Volume. 19, Issue 4, 041103(2021)

Influence of the sparsity of random speckle illumination on ghost imaging in a noise environment

Long Pan1,2, Chenjin Deng1、*, Cuiping Yu3, Shuai Yue3, Wenlin Gong1、**, and Shensheng Han1,4
Author Affiliations
  • 1Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Wuhan Optics Valley Aerospace Sanjiang Laser Industrial Technology Research Institute Co., Ltd., Wuhan 430075, China
  • 4Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
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    Experimental setup of the influence of the sparsity of random speckle illumination on GI.

    Fig. 1. Experimental setup of the influence of the sparsity of random speckle illumination on GI.

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    Experimental results of GI and GISC under different noise levels. (a)–(d) are imaging results of GI under 0 mW, 0.1 mW, 0.6 mW, and 3 mW noise light power, respectively; (e)–(h) are imaging results of GISC under 0 mW, 0.1 mW, 0.6 mW, and 3 mW noise light power, respectively. From top to bottom, (i)–(vii) represent the sparsity of {1, 64, 512, 2048, 3584, 4032, 4095}/4096, respectively.

    Fig. 2. Experimental results of GI and GISC under different noise levels. (a)–(d) are imaging results of GI under 0 mW, 0.1 mW, 0.6 mW, and 3 mW noise light power, respectively; (e)–(h) are imaging results of GISC under 0 mW, 0.1 mW, 0.6 mW, and 3 mW noise light power, respectively. From top to bottom, (i)–(vii) represent the sparsity of {1, 64, 512, 2048, 3584, 4032, 4095}/4096, respectively.

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    SSIM of GI and GISC under different noisy light levels. (a) and (b) are SSIM of GI and GISC versus sparsity of patterns, respectively.

    Fig. 3. SSIM of GI and GISC under different noisy light levels. (a) and (b) are SSIM of GI and GISC versus sparsity of patterns, respectively.

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    Analysis result of GI. (a) The curve of grayscale fidelity γ; (b) the curves of DSNR under different noise levels.

    Fig. 4. Analysis result of GI. (a) The curve of grayscale fidelity γ; (b) the curves of DSNR under different noise levels.

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    Analysis result of GISC. (a) The curve of mutual coherence μ; (b) the curves of DSNR under different noise levels.

    Fig. 5. Analysis result of GISC. (a) The curve of mutual coherence μ; (b) the curves of DSNR under different noise levels.

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    Long Pan, Chenjin Deng, Cuiping Yu, Shuai Yue, Wenlin Gong, Shensheng Han, "Influence of the sparsity of random speckle illumination on ghost imaging in a noise environment," Chin. Opt. Lett. 19, 041103 (2021)

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Aug. 15, 2020

    Accepted: Oct. 19, 2020

    Published Online: Feb. 22, 2021

    The Author Email: Chenjin Deng (dcj@siom.ac.cn), Wenlin Gong (gongwl@siom.ac.cn)

    DOI:10.3788/COL202119.041103

    Topics

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