Fig. 1. (a) Transient temperature change of the Yb:YCOB front-face center at different PRFs with a pulse width of 80 µs. (b) The transient temperature change of the Yb:YCOB front-face center at different pulse widths with a PRF of 100 Hz.

Fig. 2. (a) Experimental configuration of the QCW laser. (b) Laser spectrum of the QCW pumped laser.

Fig. 3. (a) Output powers of the Yb:YCOB laser at 100 Hz, 90 µs in the x-cut, y-cut, and z-cut crystals. (b) Optical-to-optical efficiency at 100 Hz, 90 µs. (c) Laser peak powers in the x-cut crystal with various T_oc.

Fig. 4. Optical-to-optical efficiency and laser peak power of the Yb:YCOB laser at different PRFs. (a) 100 Hz, (b) 200 Hz, and (c) 300 Hz. (d) Comparison of the QCW Yb:YCOB laser peak powers of different PRFs and pulse widths.

Fig. 5. (a) Pulse train of the QCW laser at 100 Hz, 100 µs. (b) The single pulse profiles of the pump laser and the Yb:YCOB laser at 100 Hz, 100 µs. (c) Beam profile and beam quality of the Yb:YCOB laser with a peak power of 205.5 W. (d) Power stability of the Yb:YCOB laser.