Fig. 1. Ceramic and single crystal samples of with different doping concentrations of Ce3+ ( thickness is 1 mm)

Fig. 2. XRD patterns of Ce∶YAG (a) single crystal powder and (b) ceramic chip when mole fraction of Ce3+ is 0.5%

Fig. 3. Absorption spectra of ceramic and single crystal under different Ce3+ doping concentrations

Fig. 4. Fluorescence excitation and emission spectra of Cer2 and Cry2 samples

Fig. 5. Laser output power versus injected current

Fig. 5. [in Chinese]

Fig. 6. Luminous flux and photoelectric efficiency of (a) ceramic and (b) single crystal under laser excitation versus current

Fig. 7. Laser spectrum and intensity distribution

Fig. 8. Color rendering index versus current for ceramic and single crystal with 1 mm thickness under laser excitation

Fig. 9. Color temperature versus current for ceramic and single crystal with 1 mm thickness under laser excitation