Fig. 1. Mid-infrared all-solid-state cylindrical vector laser. (a) Experimental setup; (b) diagram of polarization conversion of laser in cavity

Fig. 2. Output characteristics of fundamental mode Gaussian beam and radially polarized and angularly polarized beam in continuous operation mode. (a) Output spectrum; (b) output power versus absorbed pump power

Fig. 3. Intensity distributions of cylindrical vector beams in continuous operation mode and intensity distributions after passing through polarizers with polarization directions of polarizers shown by white arrows. (a) Angularly polarized beam; (b) radially polarized beam

Fig. 4. Output characteristics of fundamental mode Gaussian beam and radially polarized and angularly polarized beam in Q-switched operation mode. (a) Output spectrum; (b) output power versus absorbed pump power

Fig. 5. Angularly polarized output characteristics in Q-switched operation mode. (a) Pulse width and peak power versus absorbed pump power; (b) pulse width and peak power versus repetition frequency; (c) single pulse profile and corresponding pulse train

Fig. 6. Intensity distributions of cylindrical vector beams in Q-switched operation mode and intensity distributions after passing through polarizers with polarization directions of polarizers shown by white arrows.(a) Angularly polarized beam; (b) radially polarized beam