Fig. 1. Nd:YLF energy level scheme at room temperature.

Fig. 2. The dependence of the relative losses for the s and p waves on the incident angle for the dual-wavelength operation.

Fig. 3. The dependence of the relative ratio of laser thresholds on the incident angle for the dual-wavelength operation.

Fig. 4. Schematic of the experimental setup for the orthogonally polarized dual-wavelength Nd:YLF laser.

Fig. 5. The dependence of the relative output powers at 1047 and 1053 nm on the incident pump power (γ=1). Inset: the optical spectrum of the dual-wavelength operation.

Fig. 6. The output powers versus the incident pump power for the dual-wavelengths at 1047 and 1053 nm (γ=0.8).

Fig. 7. The dependence of the relative output powers at 1047 and 1053 nm on the incident pump power (γ=1.2).

Fig. 8. The dependence of the relative output powers at 1321 and 1313 nm on the incident pump power (γ=1). Inset: the optical spectrum of the dual-wavelength operation.