Yang ZHANG, Defeng MO, Jun LI, Xinmin SHI, Cui FAN, Xue LI. Research on the thermomechanical architecture of Dewar of the large format infrared detector (inner cover paper)[J]. Infrared and Laser Engineering, 2024, 53(6): 20240083
- Infrared and Laser Engineering
- Vol. 53, Issue 6, 20240083 (2024)
Fig. 1. Layout of the butting manner of FPA
Fig. 2. Exploded view of Dewar components
Fig. 3. Three-point adjustment structure based on precision washer
Fig. 4. Multi-point coupling cold strap
Fig. 5. Schematic diagram of cold transferring of Dewar for large area array infrared detector
Fig. 6. Finite element meshing of cold platform components
Fig. 7. Dewar component thermal simulation note. (a) Cold plate temperature distribution; (b) Focal plane temperature distribution
Fig. 8. Picture of Dewar assembly for large area array infrared detector
Fig. 9. The simulation and test data of the focal plane temperature uniformity
Fig. 10. Curves of mass flux vs time with mass flow method
Fig. 11. Dewar component swept sine test. (a) X direction; (b) Y direction; (c) Z direction
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Table 1. Development table of mosaic large area array infrared detector
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Table 2. Detector plane tolerance budget breakdown
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