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Laser & Optoelectronics Progress, Volume. 60, Issue 10, 1028011(2023)

Study on Improving Performance of Three-Ellipsoidal Multicomponent Optical Sensors

Yuhang Zhou, Yuchen Ni, Wei Ge, and Ya Guo*
Author Affiliations
  • Key Laboratory of Advanced Process Control for Light Industry, Ministry of Education, School of Internet of Things Engineering, Jiangnan University, Wuxi 214122, Jiangsu, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (2)
    References (18)
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    Figures & Tables(13)
    Infrared absorption spectra of three gases

    Fig. 1. Infrared absorption spectra of three gases

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    Principle and structure design of three-ellipsoidal air chamber. (a) Schematic diagram of elliptical structured light path; (b) structure diagram of inner cavity of three ellipsoidal air chamber

    Fig. 2. Principle and structure design of three-ellipsoidal air chamber. (a) Schematic diagram of elliptical structured light path; (b) structure diagram of inner cavity of three ellipsoidal air chamber

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    Simulation diagram of light transmission in three-ellipsoidal gas chamber

    Fig. 3. Simulation diagram of light transmission in three-ellipsoidal gas chamber

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    Light scattering diagrams of three-ellipsoidal gas chambers

    Fig. 4. Light scattering diagrams of three-ellipsoidal gas chambers

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    Illumination grating and three-dimensional distribution of illumination intensity in three-ellipsoidal air chamber.(a) Illumination grating of CO2 receiving surface; (b) illumination grating of SO2 receiving surface; (c) illumination grating of CO receiving surface; (d) light intensity of CO2 receiving surface; (e) light intensity of SO2 receiving surface; (f) light intensity of CO receiving surface

    Fig. 5. Illumination grating and three-dimensional distribution of illumination intensity in three-ellipsoidal air chamber.(a) Illumination grating of CO2 receiving surface; (b) illumination grating of SO2 receiving surface; (c) illumination grating of CO receiving surface; (d) light intensity of CO2 receiving surface; (e) light intensity of SO2 receiving surface; (f) light intensity of CO receiving surface

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    Flow direction diagram of sensor in air environment

    Fig. 6. Flow direction diagram of sensor in air environment

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    Cloud diagrams of CO2 mass fraction at different times when length of gas chamber is 50 mm. (a) 0.5 s; (b) 1.0 s; (c) 1.5s; (d) 2.0s; (e) 2.5s

    Fig. 7. Cloud diagrams of CO2 mass fraction at different times when length of gas chamber is 50 mm. (a) 0.5 s; (b) 1.0 s; (c) 1.5s; (d) 2.0s; (e) 2.5s

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    Cloud diagrams of CO2 mass fraction at different times when length of gas chamber is 60 mm. (a) 0.5 s; (b) 1.0 s; (c) 1.5s; (d) 2.0s; (e) 2.5s; (f) 3.0 s

    Fig. 8. Cloud diagrams of CO2 mass fraction at different times when length of gas chamber is 60 mm. (a) 0.5 s; (b) 1.0 s; (c) 1.5s; (d) 2.0s; (e) 2.5s; (f) 3.0 s

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    Structural design of direct and multi reflection air chambers. (a) 3D model drawing of direct air chamber; (b) placement design of direct type detector; (c) 3D model drawing of multi reflection air chamber

    Fig. 9. Structural design of direct and multi reflection air chambers. (a) 3D model drawing of direct air chamber; (b) placement design of direct type detector; (c) 3D model drawing of multi reflection air chamber

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    Statistical distribution of optical path length of three-ellipsoidal gas chambers

    Fig. 10. Statistical distribution of optical path length of three-ellipsoidal gas chambers

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    • Table 1. Optical path length, reflection times, and the number of light reaching receiving surface of different air chamber structures

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      Table 1. Optical path length, reflection times, and the number of light reaching receiving surface of different air chamber structures

      IndexTriple ellipsoid typeDirect typeMultiple reflection type
      Optical path length /mm75.127060.0187205.1787
      Reflection times0.9439015.2274
      Number of rays reached43341074597

    • Table 2. Statistical distribution of reflection times of three ellipsoidal gas chambers

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      Table 2. Statistical distribution of reflection times of three ellipsoidal gas chambers

      Reflection timesCO2COSO2
      0201319952256
      1338962430723787

    • Table 3. Luminous flux P value and signal-to-noise ratio on photosensitive surface of detector with three structures

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      Table 3. Luminous flux P value and signal-to-noise ratio on photosensitive surface of detector with three structures

      IndexTriple ellipsoid typeDirect typeMultiple reflection type
      P /W0.432630.010740.0036827
      Signal-to-noise ratio107106105
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    Yuhang Zhou, Yuchen Ni, Wei Ge, Ya Guo. Study on Improving Performance of Three-Ellipsoidal Multicomponent Optical Sensors[J]. Laser & Optoelectronics Progress, 2023, 60(10): 1028011

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Mar. 4, 2022

    Accepted: Apr. 20, 2022

    Published Online: May. 17, 2023

    The Author Email: Ya Guo (guoya68@163.com)

    DOI:10.3788/LOP220884

    Topics

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