Fig. 1. Radial smoothing scheme based on dynamic wavefront control

Fig. 2. Influence of Kerr medium type on beam smoothing effect. (a) FOPAI curve; (b) contrast of focal spot versus pump laser peak intensity; (c) phase cross sections of different optical Kerr media attached to main laser beam

Fig. 3. Influence of pump beam quality on new radial beam smoothing effect. (a) Phase obtained by main laser under ideal conditions; (b) phase obtained by main laser when pump laser has amplitude modulation and initial phase distortion; (c) contrast of focal spot versus integration time under different pump beam qualities

Fig. 4. Focal spot distributions and contrast under different optical Kerr medium lengths. (a) Focal spot distribution, d=0.05 m; (b) focal spot distribution, d=0.1 m; (c) focal spot distribution, d=0.2 m; (d) contrast of focal spot versus integration time and optical Kerr medium length