Wei Wang, Luhe Zhang, Tianwen Fu. Wavefront Coding-Based Short-Wave Infrared Imaging System for Extended Depth of Field[J]. Laser & Optoelectronics Progress, 2023, 60(10): 1011005
- Laser & Optoelectronics Progress
- Vol. 60, Issue 10, 1011005 (2023)
Fig. 1. Schematic diagram of wavefront coding system
Fig. 2. Structure diagrams of optical systems. (a) Initial structure; (b) optimized structure
Fig. 3. MTF curves of the optical system under different defocusing states
Fig. 4. MTF curves of wavefront coding with various phase masks. (a) 1×10-5; (b) 1×10-4; (c) 3×10-4; (d) 1×10-3
Fig. 5. Integral curves of MTF under different defocusing states
Fig. 6. Curves of Euclidean distance under different defocusing states
Fig. 7. Curves of cosine similarity under different defocusing states
Fig. 8. PSF of wavefront coding system. (a) 3D graph; (b) 2D graph
Fig. 9. Defocus diagrams of optical system. (a)(b)(c) Conventional system; (d)(e)(f) wavefront coding system
Fig. 10. Restored images of wavefront coding system. (a) 0× defocus; (b) 10× defocus; (c) 20× defocus
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Table 1. Parameters of optical system
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