Ting Liu, Shanfa Tang, Hewei Liu, Junhong Qian, Rongzhu Zhang. Influence of turbulence on imaging characteristics of multi-aperture optical system[J]. Infrared and Laser Engineering, 2021, 50(12): 20210189
- Infrared and Laser Engineering
- Vol. 50, Issue 12, 20210189 (2021)
Fig. 1. Golay3 system array structure
Fig. 2. MTF distribution（ (a) Error free; (b) Piston error π; (c) Tilt error 0.012 μrad） and surface object imaging （(d) Error free; (e) Piston error π; (f) Tilt error 0.012 μrad）
Fig. 3. (a) Schematic diagram of similar circular turbulence in the field of view and (b) phase distribution in turbulent region
Fig. 4. (a) Schematic diagram of similar elongated turbulence in the field of view; (b) Turbulent gas density distribution and (c) phase distribution
Fig. 5. Influence of similar circular turbulence on MTF of system ((a) π/2 (3π/2); (b) π) and plane object imaging phase difference ((c) π/2 (3π/2); (d) π; (e) MTF curves with different phase differences)
Fig. 6. MTF affected by turbulence at different heights ((a) 8 km; (b) 10 km; (c) 15 km; (d) 20 km)
Fig. 7. MTF of different intensities of turbulence (（a） 10−8 m3−α ; （b） 10−13 m3−α ; （c） 10−15 m3−α ） and （d） MTF curves of different turbulence intensities
Fig. 8. Influence of similar elongated turbulence on MTF of system （(a) π/2 (3π/2); (b) π plane object imaging phase difference; (c) π/2 (3π/2); (d) π; (e) MTF curves with different phase differences
Fig. 9. MTF affected by different wind speeds ((a) 10 m/s; (b) 20 m/s; (c) 30 m/s) and (d) MTF curves of different wind speed influence
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