Fig. 1. Structure of deformable lens. (a) Structure diagram; (b) discrete sectorial electrodes

Fig. 2. Simulation of cubic phase with k=-0.2 μm. (a) Reconstructed cubic phase; (b) residual error

Fig. 3. Photograph of the fabricated deformable lens

Fig. 4. Schematic diagram of experimental system

Fig. 5. Reconstructed Zernike mode aberrations. (a) Z₃; (b) Z₄; (c) Z₅; (d) Z₆; (e) Z₇; (f) Z₈; (g) Z₉

Fig. 6. Generation of Airy beam (k=-0.2 μm). (a) Intensity distribution of the generated Airy beam at z=0 mm, which agrees with the simulated results (inset); (b)--(d) intensity profile comparisons of the measured and the simulated Airy beams at the diagonal, horizontal and vertical sections, respectively

Fig. 7. Propagation trajectory of Airy beam (k=-0.2 μm). (a) Simulation; (b) experiment

Fig. 8. Simulation and experiment of Airy beams with different cubic phases