Infrared and Laser Engineering, Volume. 54, Issue 2, 20240316(2025)
Infrared spectroscopic imaging detection components for oil and gas leak detection
Fig. 1. Simplified radiative transport model of gas infrared spectroscopic imaging techniques
Fig. 3. Schematic diagram of the splitting principle of F-P cavity
Fig. 4. Schematic diagram of the structure of the F-P cavity filter
Fig. 5. Simulation results of longwave infrared spectroscopic filtering
Fig. 6. Comparison of long-wave infrared spectroscopic filtering simulation with methane absorption peak
Fig. 8. Progressive cavity exponential lithography and etching technology path
Fig. 9. Schematic diagram of the infrared spectroscopic imaging detection component for oil and gas leakage
Fig. 10. (a) Filter bonding structures; (b) Schematic diagram of bonding of structural parts
Fig. 11. Long-wave infrared spectroscopic imaging detection component physical map
Fig. 12. Schematic diagram of the optical performance test system of the spectral imaging component
Fig. 13. Spectral imaging component optical performance test results
Fig. 14. Comparison of long-wave infrared spectroscopic filtering and methane absorption peaks
Fig. 21. Scatter plot of methane gas concentration and gray scale difference
Fig. 22. Comparison of methane gas absorption in different spectral bands
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Yunhao ZHANG, Yunpeng YANG, Bingcai SUN, Xin LIU, Hongyan JIANG, Shuai ZHAO, Bin WU. Infrared spectroscopic imaging detection components for oil and gas leak detection[J]. Infrared and Laser Engineering, 2025, 54(2): 20240316
Category: 光电材料与器件
Received: Nov. 12, 2024
Accepted: --
Published Online: Mar. 14, 2025
The Author Email: Xin LIU (saturn_xin@163.com)