Zhiyong Yang, Gaoxiang Lu, Zhiwei Zhang, Junchen Song. Analysis of Infrared Polarization Characteristics of Target in Thermal Radiation Environment[J]. Acta Optica Sinica, 2022, 42(2): 0220001
- Acta Optica Sinica
- Vol. 42, Issue 2, 0220001 (2022)
Fig. 1. Schematic diagram of polarization imaging of target in thermal radiation environment
Fig. 2. Schematic diagram of azimuth relation in bidirectional reflection distribution function model
Fig. 3. Schematic diagram of thermal radiation transfer model
Fig. 4. Polarization characteristics of reflected thermal radiation. (a) RS and RP varying with observation angle; (b) DOLP varying with observation angle
Fig. 5. Polarization characteristics of spontaneous thermal radiation. (a) εS and εP varying with observation angle; (b) DOLP varying with observation angle
Fig. 6. RS and RP varying with observation angle under different α. (a) α<1.0; (b) α>1.0
Fig. 7. Simulation results of DOLPs of target in thermal radiation environment. (a) α<1.0; (b) α>1.0
Fig. 8. Change law of infrared DOLP when temperature of alloy plate is 30 ℃
Fig. 9. Change law of infrared DOLP at different alloy plate temperatures. (a) 50 ℃; (b) 70 ℃
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Table 1. Parameters of long wave infrared polarization imaging system
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