Acta Photonica Sinica, Volume. 50, Issue 12, 1222004(2021)
Design of Airborne Infrared Dual-band Imaging Optical System Based on Harmonic Diffraction and Free-form Surface
Fig. 1. Design example of RC optical system
Fig. 2. Design example of Schmidt- Cassegrain optical system
Fig. 3. Design example of off-axis three-mirror optical system
Fig. 4. Mathematical model of structure control
Fig. 5. The structure of the optimized system
Fig. 6. The MTF of the optimized system
Fig. 7. Point diagram of the optimized system
Fig. 8. The in-circle energy of the optimized system
Fig. 9. Field curvature and distortion of the optimized system
Fig. 10. Seidel aberration diagram of the optimized system
Fig. 11. The MTF of the system at different temperatures in the 3~5 μm band
Fig. 12. The MTF of the system at different temperatures in the 8~12 μm band
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Jie LI, Hui LUO, Jincheng LI, Hanping WU. Design of Airborne Infrared Dual-band Imaging Optical System Based on Harmonic Diffraction and Free-form Surface[J]. Acta Photonica Sinica, 2021, 50(12): 1222004
Category: Optical Design and Fabrication
Received: May. 21, 2021
Accepted: Sep. 22, 2021
Published Online: Jan. 26, 2022
The Author Email: WU Hanping (wuhanping601@sina.com)