Wenshang Xiong, Jihong Wang. Phase Diversity Wavefront Detection Technique Based on Hybrid Particle Swarm Algorithm[J]. Laser & Optoelectronics Progress, 2020, 57(3): 030801
- Laser & Optoelectronics Progress
- Vol. 57, Issue 3, 030801 (2020)
Fig. 1. Image acquisition schematic of phase diversity method combined with defocusing grating
Fig. 2. Flow chart of HPSO algorithm
Fig. 3. Extended object and focal plane and defocusing plane images after passing through optical system. (a) Extended object; (b) focal plane image; (c) defocusing plane image
Fig. 4. Focal and defocusing images containing aberrations. (a) Focal image; (b) defocusing image
Fig. 5. Simulated wavefront. (a) Loaded wavefront; (b) restored wavefront; (c) wavefront residual
Fig. 6. Iteration curve of HPSO algorithm
Fig. 7. Line chart of wavefront residual mean value for different aberration
Fig. 8. Line charts of wavefront residual of HPSO algorithm and SPGD algorithm when the RMS value of aberration is 0.144λ
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Table 1. HPSO algorithm iteration results in eight simulation cases
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