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Laser & Optoelectronics Progress, Volume. 61, Issue 2, 0211027(2024)

Megapixel Colloidal Quantum-Dot Mid-Wave Infrared Focal-Plane Array Imaging Technology (Invited)

Yimei Tan1,2, Yingying Xu1,3, Shuo Zhang2, Yanfei Liu2, Qun Hao1, and Xin Tang1、*
Author Affiliations
  • 1School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
  • 2Zhongxinrecheng Science and Technology Co., Ltd., Beijing 100176, China
  • 3National Institute of Metrology, Beijing 100029, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
    Equations (7)
    References (20)
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    Figures & Tables(6)
    Proposed detector. (a) Structure diagram; (b) signal extraction diagram; (c) Dewar test package diagram

    Fig. 1. Proposed detector. (a) Structure diagram; (b) signal extraction diagram; (c) Dewar test package diagram

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    Distribution of relevant parameters and response statistical histograms of the detector. (a) Light response; (b) specific detectability; (c) noise; (d) noise equivalent temperature difference

    Fig. 2. Distribution of relevant parameters and response statistical histograms of the detector. (a) Light response; (b) specific detectability; (c) noise; (d) noise equivalent temperature difference

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    Dead and overheated pixel distributions of the detector

    Fig. 3. Dead and overheated pixel distributions of the detector

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    Relationship between the thickness ratio of detector intrinsic layer and n-type layer and NETD

    Fig. 4. Relationship between the thickness ratio of detector intrinsic layer and n-type layer and NETD

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    Mid-wave infrared thermal imaging with megapixel quantum dot detector

    Fig. 5. Mid-wave infrared thermal imaging with megapixel quantum dot detector

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    • Table 1. Results of this paper compared with those of previous quantum-dot focal plane arrays and mainstream infrared cameras

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      Table 1. Results of this paper compared with those of previous quantum-dot focal plane arrays and mainstream infrared cameras

      Ref.MaterialWavelength /μmResolutionDetectivity /JonesNETD /mK
      ［17］PbS CQDs0.4‒2.0388×2881012‒
      ［18］PbS CQDs0.7‒1.4640×5122.1×1012‒
      ［19］HgTe CQDs1.8640×512‒‒
      ［6］HgTe CQDs2.5320×2568×1010‒
      ［20］HgTe CQDs4.5320×256‒102‒199
      ［13］HgTe CQDs4.6640×5122×101051
      ［21］V0X7.5‒14640×512‒40
      ［21］InSb3.5‒5.0640×512‒27
      This workHgTe CQDs4.81280×10244×101030
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    Yimei Tan, Yingying Xu, Shuo Zhang, Yanfei Liu, Qun Hao, Xin Tang. Megapixel Colloidal Quantum-Dot Mid-Wave Infrared Focal-Plane Array Imaging Technology (Invited)[J]. Laser & Optoelectronics Progress, 2024, 61(2): 0211027

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    Paper Information

    Category: Imaging Systems

    Received: Nov. 14, 2023

    Accepted: Dec. 21, 2023

    Published Online: Feb. 6, 2024

    The Author Email: Tang Xin (xintang@bit.edu.cn)

    DOI:10.3788/LOP232494

    Topics

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