Fig. 1. The principle of wavefront shaping^[10]. (a) The plane wave generating speckles after passing through the scattering sample; (b) the shaped wave generating a focus after passing through the scattering sample

Fig. 2. Feedback-based wavefront shaping system^[10]. (a) Experimental setup;(b) optical focus obtained after phase optimization

Fig. 3. Wavefront shaping system based on transmission matrix^[29]. (a) Experimental setup; (b) experimental result of single-spot focusing

Fig. 4. The principle of optical phase conjugation system^[54]. (a) Forward scattering process; (b) optical phase conjugation to the original focus

Fig. 5. The schematic diagram of DOPC system^[13]. (a) Wavefront measurement process; (b) wavefront modulation process

Fig. 6. Feedback-based wavefront shaping system based on MEMS-SLM and PMT^[70]

Fig. 7. Schematic diagram of transmission matrix based wavefront shaping with one-dimensional high-speed SLM^[12]

Fig. 8. High-speed DOPC system based on DMD and FPGA^[11]

Fig. 9. The principle of QPEM based wavefront shaping system^[68]

Fig. 10. Illustration of optical focusing through the dorsal skin of a mouse^[11]

Fig. 11. Illustration of optical focusing inside chicken tissue^[67]

Fig. 12. Experimental setup and result for focusing light inside the live zebrafish^[68]