Infrared and Laser Engineering, Volume. 50, Issue 3, 20200177(2021)

Diffraction analysis and control of remainders in infrared detector Dewar packaging

Yibin Huang... Ying Wang, Yingfeng Zhu, Chaoqun Wei, Hongsheng Sun and Li Dong |Show fewer author(s)
Author Affiliations
  • Kunming Institute of Physics, Kunming 650223, China
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    Figures & Tables(6)
    Optical path sketch
    Distance L between remainders and the focal plane-remainders diameter dmax satisfying diffraction curves for different Dewar cold-shielding structures, slant dashed line 2.44λL/C denotes diameter lower limit value for diffraction, shadow region indicates obvious diffraction. Focal plane diagonal length C=15 mm
    Dewar precision assembly sketch
    Fiber remainders. (a) Antistatic gloves fiber; (b) Filter paper fiber; (c) Cotton swab fiber
    Energy spectrum analysis of remainders in an infrared detector
    Images of infrared detector during vibration. (a) Image with black spot; (b) Normal image
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    Yibin Huang, Ying Wang, Yingfeng Zhu, Chaoqun Wei, Hongsheng Sun, Li Dong. Diffraction analysis and control of remainders in infrared detector Dewar packaging[J]. Infrared and Laser Engineering, 2021, 50(3): 20200177

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    Paper Information

    Category: Infrared technology and application

    Received: May. 15, 2020

    Accepted: --

    Published Online: Jul. 15, 2021

    The Author Email:

    DOI:10.3788/IRLA20200177

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