Fig. 1. Schematic diagram of beam shaping with geometric steady-phase method

Fig. 2. Optical path diagram of beam shaping experiment with geometric steady-phase method

Fig. 3. Experimental platform of beam shaping with geometric steady-phase method

Fig. 4. Pixel arrangement on liquid crystal surface of spatial light modulator

Fig. 5. Superimposed shining grating

Fig. 6. Application effect of Gaussian light (left column) and reshaped laser beam (right column)

Fig. 7. Simulation diagram of output spot when incident Gaussian beam misaligned with hologram

Fig. 8. Energy distribution of output spot when incident Gaussian beam misaligned with hologram

Fig. 9. Simulation diagram of output beam change during defocusing

Fig. 10. Variation of output beam during defocusing