Wang Haiqun, Wang Shuiman, Zhang Yi. Wavefront Distortion Correction Based on Wavelet Fractal Interpolation[J]. Laser & Optoelectronics Progress, 2020, 57(2): 21103
- Laser & Optoelectronics Progress
- Vol. 57, Issue 2, 21103 (2020)
Fig. 1. Averaged coherent mixing efficiency of homodyne detection
Fig. 2. Averaged coherent mixing efficiency of wavelet fractal interpolation method based on different wavelet functions
Fig. 3. Experimental device of adaptive optical system
Fig. 4. Wavelet decomposition. (a) Low frequency component; (b) high frequency horizontal component; (c) high frequency vertical component; (d) high frequency diagonal component
Fig. 5. Noise contrast. (a) Pixels with noise; (b) pixels with denoised processing
Fig. 6. Before and after image correction. (a) Image before correction; (b) image after correction; (c) root-mean-square value of corrected residual wavefront
Fig. 7. Comparison before and after correction of far field spot. (a) Light intensity comparison of far-field spot; (b) slope curves after correction
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Table 1. Comparison of coherent mixing efficiency of interpolation methods
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Table 2. Comparison between proposed method and MVE method
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