Yang Zhang, Defeng Mo, Cui Fan, Xinmin Shi, Jun Yu, Haimei Gong, Xue Li. Research on the supporting structure of the cold platform of the large format infrared detector[J]. Infrared and Laser Engineering, 2023, 52(2): 20220445
- Infrared and Laser Engineering
- Vol. 52, Issue 2, 20220445 (2023)
Fig. 1. Schematic diagram of the structure of the super large-scale area array focal plane cold stage assembly
Fig. 2. Design drawing of support structure of cold platform components
Fig. 3. Influence of support structure aspect ratio (a), height (b), installation inclination (c), material (d) on components
Fig. 4. Comprehensive analysis diagram of component fundamental frequency, stress and structural thermal resistance for different parameter groups
Fig. 5. The first six-order mode shape diagram of the ultra-large cold platform components
Fig. 6. Photo of vibration testing process of ultra-large cold platform components
Fig. 7. Simulation analysis and vibration test results comparison of ultra-large cold platform components
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Table 1. Dewar packaging material parameters
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Table 2. Support structure parameters of the actual cold platform components
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