• Infrared and Laser Engineering
  • Vol. 50, Issue 5, 20200394 (2021)
Hongsheng Sun1、2, Xingang Liang1, Weigang Ma1, Chao Qiu2, and Wanglin Yang2
Author Affiliations
  • 1School of Aerospace, Tsinghua University, Beijing 100093, China
  • 2Beijing Zhenxing Institute of Metrology and Measurement, Beijing 100074, China
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    DOI: 10.3788/IRLA20200394 Cite this Article
    Hongsheng Sun, Xingang Liang, Weigang Ma, Chao Qiu, Wanglin Yang. Non-scanning wide range multi-wavelength imaging temperature measurement technology[J]. Infrared and Laser Engineering, 2021, 50(5): 20200394 Copy Citation Text show less
    Four-wavelength detection imaging principle
    Fig. 1. Four-wavelength detection imaging principle
    Spectral response of four-wavelength imaging thermometer
    Fig. 2. Spectral response of four-wavelength imaging thermometer
    Design scheme of four-wavelength imaging thermometer
    Fig. 3. Design scheme of four-wavelength imaging thermometer
    Optical objective lens design drawing
    Fig. 4. Optical objective lens design drawing
    Four-color filter design form
    Fig. 5. Four-color filter design form
    Software flow chart of four-wavelength imaging thermometer
    Fig. 6. Software flow chart of four-wavelength imaging thermometer
    Principle of high temperature measurement experiment of imaging thermometer
    Fig. 7. Principle of high temperature measurement experiment of imaging thermometer
    Visible image and near infrared image of target
    Fig. 8. Visible image and near infrared image of target
    Comparison of test results between four-wavelength thermometer and thermocouple
    Fig. 9. Comparison of test results between four-wavelength thermometer and thermocouple
    ParameterValue
    Waveband/nm400-900
    Field of view/(°)5±0.1
    Frequency/Hz30
    Temperature range/℃800-2500
    Table 1. Imaging thermometer design parametes
    Hongsheng Sun, Xingang Liang, Weigang Ma, Chao Qiu, Wanglin Yang. Non-scanning wide range multi-wavelength imaging temperature measurement technology[J]. Infrared and Laser Engineering, 2021, 50(5): 20200394
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