Yuan WANG, Chen YANG, Shijie LI, Jin ZHANG. Effect of thermal deformation of spherical cover structure on imaging quality of compound eye optical system[J]. Infrared and Laser Engineering, 2024, 53(10): 20240225
- Infrared and Laser Engineering
- Vol. 53, Issue 10, 20240225 (2024)
Fig. 1. (a) Optical path diagram of relay sub-camera; (b) Mechanical structure diagram of relay camera
Fig. 2. (a) MTF diagram of single subsystem; (b) Field curvature and distortion
Fig. 3. Building solid model in SolidWorks
Fig. 4. (a) Unstructured mesh; (b) Structured mesh
Fig. 5. (a) Axial displacement nephogram; Partial enlarged view: (b) Central hole position; (c) Surrounding hole position; (d) Diagonal hole position
Fig. 6. (a) Hole location diagram; (b) Upper edge path setting; (c) Upper and lower edge path settings
Fig. 7. Schematic diagram of vector before and after deformation
Fig. 8. MTF diagram of relay sub-cameras with different hole positions in different fields of view. (a) Position 3; (b) Position 5; (c) Position 6
Fig. 9. Line chart of MTF change
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Table 1. System specific parameters
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Table 2. Wavefront aberration at different wavelengths and field of view angles
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Table 3. Comparison of parameters between simulation mesh and reference mesh
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Table 4. Material properties of the model
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Table 5. Comparison of maximum deformation calculation between low density mesh and high density mesh under different temperatures
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Table 6. Eccentricity and axial displacement of different hole positions
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Table 7. Inclination values of different hole positions
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Table 8. Bring into the initial optical system
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