Fig. 1. VCSEL array structure diagram

Fig. 2. Optical output characteristics of VCSEL array

Fig. 3. The light field distribution of VCSEL array

Fig. 4. Far-field divergence angle of VCSEL array under different light field distribution

Fig. 5. Schematic of VCSEL array beam propagation in scattering medium

Fig. 6. Spatial coherence of VCSEL array beams

Fig. 7. Intensity distribution before and after beam transmission

Fig. 8. VCSEL array beam expansion rate and intensity attenuation rate