Fig. 1. The emission cross-section spectrum of thecrystal in best distance between aspheric lens and the crystal

Fig. 2. Experimental setup of the DWL and the output spectrum of the power-balanced DWL

Fig. 3. The output characteristics of the power-balanced DWL

Fig. 4. The relationship among the power-balanced DWL heat sink temperature, wavelength and pumping power

Fig. 5. The power-balanced DWL frequency separation versus pumping power