Fig. 1. Schematic diagram of laser range-gated imaging

Fig. 2. Circuit schematic and test results

Fig. 3. Profile of illumination laser before shaping

Fig. 4. Schematic diagram of laser shaping principle

Fig. 5. Simulation results

Fig. 6. Block diagram of system

Fig. 7. Interface of computer control software

Fig. 8. Schematic diagram of phase difference adjustment between laser drive pulse and gated camera control pulse

Fig. 9. ICCD camera

Fig. 10. Experiment of gated imaging of underwater laser

Fig. 11. Range-gated imaging with different attenuation coefficients

Fig. 12. Reconstructed results based on Fourier single-pixel imaging algorithm

Fig. 13. Image reconstructed results with undersampling