Meng Jia, Changxi Xue. Design of Dual-Band Infrared Optical System with Q-type Asphere[J]. Acta Optica Sinica, 2019, 39(10): 1022001
- Acta Optica Sinica
- Vol. 39, Issue 10, 1022001 (2019)
Fig. 1. Optical layout of system
Fig. 2. Spot diagrams of optical system. (a) MWIR; (b) LWIR
Fig. 3. Field curvature and distortion curves of optical system with Q-type asphere. (a) MWIR; (b) LWIR
Fig. 4. MTF curves of optical system with Q-type asphere. (a) MWIR at -40 ℃; (b) MWIR at 20 ℃; (c) MWIR at 60 ℃; (d) LWIR at -40 ℃; (e) LWIR at 20 ℃; (f) LWIR at 60 ℃
Fig. 5. MTF curves of optical system with even asphere. (a) MWIR at -40 ℃; (b) MWIR at 20 ℃; (c) MWIR at 60 ℃; (d) LWIR at -40 ℃; (e) LWIR at 20 ℃; (f) LWIR at 60 ℃
Fig. 6. Q-type aspherical surface
Fig. 7. Deviation from the best fit sphere. (a) Q-type asphere; (b) even asphere
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Table 1. Main design parameters of optical system
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Table 2. Main property parameters of two infrared materials
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Table 3. RMS radius of optical system with Q-type asphere
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Table 4. Parameters of Q-type asphere and even asphere
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Table 5. RMS radius of optical system with even asphereμm
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