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Infrared and Laser Engineering, Volume. 54, Issue 6, 20240539(2025)

Performance analysis of space GEO infrared detectors on the low temperature tail flame of aircrafts

Xu GAO1,2, Jianzhong CHAI2, Jingyao WANG3, Hao TIAN3、*, and Minghui GAO3、*
Author Affiliations
  • 1School of Electronics and Information Engineering, Beihang University, Beijing 100191, China
  • 2The First Aircraft Institute, Aviation Industry Corporation of China, Xi’an 710089, China
  • 3Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (3)
    References (26)
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    Figures & Tables(13)
    Simplified schematic diagram of aircraft engine plume

    Fig. 1. Simplified schematic diagram of aircraft engine plume

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    Space-based observation coordinate system

    Fig. 2. Space-based observation coordinate system

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    Angular distribution of atmospheric spectral transmittance

    Fig. 3. Angular distribution of atmospheric spectral transmittance

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    Distribution of spectral radiant energy from aircraft as a function of afterburner settings and viewing angles

    Fig. 4. Distribution of spectral radiant energy from aircraft as a function of afterburner settings and viewing angles

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    Weighted grid-based computational model for thermodynamic parameter analysis on the geometric plane of aircraft exhaust plume

    Fig. 5. Weighted grid-based computational model for thermodynamic parameter analysis on the geometric plane of aircraft exhaust plume

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    Infrared radiant energy distribution of aircraft engine plume as a function of afterburner settings and viewing angles

    Fig. 6. Infrared radiant energy distribution of aircraft engine plume as a function of afterburner settings and viewing angles

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    Simulated pixel-level radiance of aircraft engine plume at the detector focal plane for varied afterburner modes (original plume size)

    Fig. 7. Simulated pixel-level radiance of aircraft engine plume at the detector focal plane for varied afterburner modes (original plume size)

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    Distribution of energy snr of aircraft engine plume at the detector focal plane for varied afterburner modes (original plume size)

    Fig. 8. Distribution of energy snr of aircraft engine plume at the detector focal plane for varied afterburner modes (original plume size)

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    Simulated pixel-level radiance of aircraft engine plume at the detector focal plane for varied afterburner modes (1.5-fold increase in engine plume area)

    Fig. 9. Simulated pixel-level radiance of aircraft engine plume at the detector focal plane for varied afterburner modes (1.5-fold increase in engine plume area)

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    Distribution of energy SNR of aircraft engine plume at the detector focal plane for varied afterburner modes (1.5-fold increase in engine plume area)

    Fig. 10. Distribution of energy SNR of aircraft engine plume at the detector focal plane for varied afterburner modes (1.5-fold increase in engine plume area)

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    Infrared detectability analysis of aircraft from high-orbit platforms under varied afterburner modes

    Fig. 11. Infrared detectability analysis of aircraft from high-orbit platforms under varied afterburner modes

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    • Table 1. Comparison of estimated parameters of space-based infrared sensors

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      Table 1. Comparison of estimated parameters of space-based infrared sensors

      ParameterSBIRS-GEO（Partially decommissioned）Next-Gen OPIR （Future deployment）
      Pixel scale10244096
      Pixel size/μm405-10
      Pixel response uniformity>96%>95%
      FOV/（°）10 (scanning)/2 (staring)2.8 (staring)
      Detection band/μm3.7-4.83.7-4.8/7.7-10.3
      Ground resolution/km1-1.50.1-0.3
      Specific detectivity D*/m·Hz1/2·W−1<5.0×1010>2.8×1011
      NETD/mK<50<10
      Spectral energy resolution/W·sr−1100<20
      Integration time/ms10060

    • Table 2. Low-temperature plume parameters of aircraft engine with varied afterburner settings[22]

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      Table 2. Low-temperature plume parameters of aircraft engine with varied afterburner settings[22]

      AfterburnersettingTotal length/ mWidth of starting/ mWidth of end/mTemperature of starting/KTemperature of end/K
      Afterburner92.451.36960650
      Non-afterburner3.62.450.92720430
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    Xu GAO, Jianzhong CHAI, Jingyao WANG, Hao TIAN, Minghui GAO. Performance analysis of space GEO infrared detectors on the low temperature tail flame of aircrafts[J]. Infrared and Laser Engineering, 2025, 54(6): 20240539

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    Paper Information

    Category: Infrared

    Received: Nov. 20, 2024

    Accepted: --

    Published Online: Jul. 1, 2025

    The Author Email:

    DOI:10.3788/IRLA20240539

    Topics

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