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Photonics Research, Volume. 5, Issue 5, 431(2017)

Performance analysis of ghost imaging lidar in background light environment

Chenjin Deng1,2, Long Pan1,2, Chenglong Wang1,2, Xin Gao1, Wenlin Gong1、*, and Shensheng Han1
Author Affiliations
  • 1Key Laboratory for Quantum Optics and Center for Cold Atom Physics of CAS, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    Schematic of GI lidar via different detection mechanisms: (A) narrow pulsed GI lidar, (B) heterodyne GI lidar, and (C) pulse-compression GI lidar via coherent detection.

    Fig. 1. Schematic of GI lidar via different detection mechanisms: (A) narrow pulsed GI lidar, (B) heterodyne GI lidar, and (C) pulse-compression GI lidar via coherent detection.

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    Image reconstruction results. The signal power to background power ratio σ for columns (1)–(6) is −40, −30, −20, −10, 0, and 10 dB, respectively, and rows (A)–(C) correspond to lidar systems (A)–(C), respectively.

    Fig. 2. Image reconstruction results. The signal power to background power ratio σ for columns (1)–(6) is −40, −30, −20, −10, 0, and 10 dB, respectively, and rows (A)–(C) correspond to lidar systems (A)–(C), respectively.

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    Comparison among the normalized SNR SNRi/N[(ΔO)min]2 for lidar systems (A)–(C). The numerical results (dashed lines) for lidar systems (A)–(C) come from the simulation results, while theoretical behaviors [Eqs. (10), (14), and (18)] are indicated by three solid lines.

    Fig. 3. Comparison among the normalized SNR SNRi/N[(ΔO)min]2 for lidar systems (A)–(C). The numerical results (dashed lines) for lidar systems (A)–(C) come from the simulation results, while theoretical behaviors [Eqs. (10), (14), and (18)] are indicated by three solid lines.

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    Comparison among PSNR for lidar systems (A)–(C).

    Fig. 4. Comparison among PSNR for lidar systems (A)–(C).

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    Chenjin Deng, Long Pan, Chenglong Wang, Xin Gao, Wenlin Gong, Shensheng Han. Performance analysis of ghost imaging lidar in background light environment[J]. Photonics Research, 2017, 5(5): 431

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    Paper Information

    Category: Imaging Systems

    Received: Jun. 8, 2017

    Accepted: Jul. 10, 2017

    Published Online: Aug. 31, 2017

    The Author Email: Wenlin Gong (gongwl@siom.ac.cn)

    DOI:10.1364/PRJ.5.000431

    Topics

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