Yu LIU, Jianhua HUANG, Chuanjian ZHAO, Cuixia GUO, Feng HUANG. Experimental Study on Background Noise Suppression When Focusing through Scattering Medium[J]. Acta Photonica Sinica, 2023, 52(1): 0129001
- Acta Photonica Sinica
- Vol. 52, Issue 1, 0129001 (2023)
Fig. 1. Schematic diagram of the random scattering medium focusing system
Fig. 2. Focusing results of GA for different population scales
Fig. 3. Light intensity increasing curve of GA under different population scale
Fig. 4. Focusing results of GA with different modulation units
Fig. 5. Focus enhancement curve of GA with different modulation units
Fig. 6. Results of GA suppression of background noise with different radius parameters
Fig. 7. Standard deviation and average intensity curves under different regulation radii
Fig. 8. Schematic diagram of the overflow light field in the modulated background area
Fig. 9. Experimental results about the changed focusing intensity of the modulated target region with increasing background area
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