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Acta Optica Sinica, Volume. 37, Issue 10, 1012004(2017)

Measurement Method of Infrared Radiometric Characteristics for High-Temperature Small Targets

Qijie Tian1,2、*, Zhou Li1,2, Songtao Chang1, Fengyun He1, and Yanfeng Qiao1
Author Affiliations
  • 1 Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (20)
    Cited By (12)
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    Figures & Tables(9)
    Schematic of near-extended-source method

    Fig. 1. Schematic of near-extended-source method

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    Schematic of small target imaging. (a) Ideal imaging size; (b) actual imaging size

    Fig. 2. Schematic of small target imaging. (a) Ideal imaging size; (b) actual imaging size

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    Schematic of handling the infrared small target

    Fig. 3. Schematic of handling the infrared small target

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    Schematic of experimental setup for near-extended-source method

    Fig. 4. Schematic of experimental setup for near-extended-source method

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    Schematic of experimental setup for collimator method

    Fig. 5. Schematic of experimental setup for collimator method

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    Schematic of small target radiometric characteristics measurement

    Fig. 6. Schematic of small target radiometric characteristics measurement

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    Image of infrared small target

    Fig. 7. Image of infrared small target

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    • Table 1. Original calibration formulas and corrected calibration formulas

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      Table 1. Original calibration formulas and corrected calibration formulas

      TransmittanceIntegration time /msOriginal calibration formulaCorrected calibration formula
      2%1y=9.3713x+1380.7414y=9.7648x+1380.7414
      2y=19.4722x+2624.2971y=20.2899x+2624.2971
      3y=29.0939x+3902.1070y=30.3156x+3902.107
      10%1y=39.8615x+1204.9488y=41.5354x+1204.9488
      2y=83.3200x+2196.0837y=86.8188x+2196.0837
      3y=124.5257x+3261.3390y=129.7548x+3261.339

    • Table 2. Radiometric measurement results of high temperature small target

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      Table 2. Radiometric measurement results of high temperature small target

      TransmittanceIntegrationtime /msTempera-ture /℃Measurementvalue oftemperature /℃Error oftemperature /%Radiance /(W·m-2·sr-1)Measurementvalue ofRadiance /(W·m-2·sr-1)Error ofradiance /%
      2%1200197-1.5075.9187472.8515-4.04
      300288-4.00259.8459228.2612-12.16
      400394-1.50623.2651597.6970-4.10
      2200190-5.0075.9187465.5042-13.72
      300280-6.67259.8459210.1410-19.13
      400376-6.00623.2651518.6436-16.79
      3200192-4.0075.9187467.4159-11.20
      300284-5.33259.8459218.9849-15.73
      400374-6.50623.2651511.0230-18.01
      10%1200192-4.0075.9187467.6893-10.84
      300294-2.00259.8459243.5343-6.28
      400395-1.25623.2651599.9909-3.73
      2200193-3.5075.9187468.5651-9.69
      300285-5.00259.8459222.7334-14.28
      400Saturation-623.2651Saturation-
      3200194-3.0075.9187469.0497-9.05
      300Saturation-259.8459Saturation-
      400Saturation-623.2651Saturation-
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    Qijie Tian, Zhou Li, Songtao Chang, Fengyun He, Yanfeng Qiao. Measurement Method of Infrared Radiometric Characteristics for High-Temperature Small Targets[J]. Acta Optica Sinica, 2017, 37(10): 1012004

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Apr. 24, 2017

    Accepted: --

    Published Online: Sep. 7, 2018

    The Author Email: Qijie Tian (tian7jie@163.com)

    DOI:10.3788/AOS201737.1012004

    Topics

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