Fig. 1. Model simplification diagram

Fig. 2. Structure of topology optimization model

Fig. 3. Simulation and optimization results

Fig. 4. Simulation results of the original model and the optimized model

Fig. 5. The measuring system for mirror subassembly

Fig. 6. Test results of the original model and the optimized model

Fig. 7. Test results of the original model and the optimized model in thermal infrared imager