Investigation on Power Scalability of Yb:KREW Thin-Disk Lasers by Anisotropic Thermo-Mechanical Analysis

Thermally induced optical pass difference of the thin-disk laser with anisotropic Yb:KRE(WO
4
)
2
crystal, which is promising broadband gain media, was calculated. The results show that the OPD is sufficiently small even at 9.6 kW/cm
²
pumping.