End-Pumped Out-of-Focus Thin Disk Vortex Laser

Fig. 1. Experimental setup of the end-pumped thin disk vortex laser

Fig. 2. Spots and interference patterns of the output laser in continuous-wave operation. (a)

L G_{0,0}

; (b) intensity profile;(c)

L G_{0, - 1}

interference pattern; (d)

L G_{0, + 1}

interference pattern

Fig. 3. Output power of mode

L G_{0, + 1}

versus pump power under continuous-wave operation

Fig. 4. Spots and interference patterns of the output laser under Q-switched operation. (a) Intensity profile; (b)

L G_{0, - 1}

interference pattern

Fig. 5. Output power of the mode

L G_{0, - 1}

versus pump power under Q-switched operation

Fig. 6. Experimental results. (a) Pulse width versus pump power; (b) pulse energy and peak power versus pump power

Fig. 7. Temporal pulse shape. (a) Single pulse; (b) pulse train