Zhendong Wang, Huan Liu, Yang Chen, Yongqiang Pan, Wanpeng Xie, Jun Han. Design of 0.40-2.50 μm Wide-Band Optical System Based on Harmonic Diffraction Theory[J]. Laser & Optoelectronics Progress, 2022, 59(19): 1922002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 19, 1922002 (2022)
Fig. 1. Structure of the HDOE. (a) Single-layer HDOE; (b) double-layer HDOE
Fig. 2. Bandwidth-integrated average diffraction efficiency of double-layer HDOE at different wavelengths
Fig. 3. Diffraction efficiency curve of double-layer HDOE
Fig. 4. Structure of the optical system
Fig. 5. MTF curve of the system. (a) 0.40-0.78 μm; (b) 0.78-2.50 μm
Fig. 6. RMS spot diagram of the system under normal temperature conditions. (a) 0.40-0.78 μm; (b) 0.78-2.50 μm
Fig. 7. Field curvature and distortion of the optical system. (a) 0.40-0.78 μm; (b) 0.78-2.50 μm
Fig. 8. Energy diagrams of different bands. (a) 0.40-0.78 μm; (b) 0.78-2.50 μm
Fig. 9. Phase diagram of binary diffraction surface. (a) First diffraction plane; (b) second diffraction plane
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Table 1. Design index of the optical system
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Table 2. Tolerances of optical system
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Table 3. Analysis results of the Monte Carlo method
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