Fig. 1. Experimental setup of the rotary laser with the axis-symmetrical walk-off effect.

Fig. 2. Output power of rotary disk laser versus rotation rate at different pump powers.

Fig. 3. Laser output power versus absorbed pump power at Rr=5.6Hz.

Fig. 4. Variations of far-field intensity distribution of laser beams with rotation rates at different pump powers.

Fig. 5. Far-field intensity distributions of the laser beam (when OC was close to YVO₄ and doughnut-shaped mode was output, Pabs=10.72W) transmitted through the polarizer analyzer when the polarizer was rotated, where the white arrows indicate the corresponding axis of the polarizer.

Fig. 6. Output power of the rotating disk laser versus the absorbed pump power at Rr=5.6Hz.

Fig. 7. Variations of far-field intensity distribution of the laser beam with pump power at Rr=5.6Hz: (a) Pabs=4.84W, (b) Pabs=6.11W, (c) Pabs=7.07W, (d) Pabs=8.37W, (e) Pabs=9.74W, and (f) Pabs=10.72W, respectively.

Fig. 8. Far-field intensity distributions of the laser beam (when OC was far away from YVO₄ and doughnut-shaped mode was output, Pabs=10.72W) transmitted through the polarizer analyzer when the polarizer was rotated, where the white arrows indicate the corresponding axis of the polarizer.