Jin Yashuo, Guo Xiangchao, Cao Dunhua, Zhang Hanliang, Zhang Guodong, Li Haibing. Luminescence Properties of Ce∶YAG Single Crystals and Ceramics Under Laser Excitation[J]. Chinese Journal of Lasers, 2017, 44(10): 1003001
- Chinese Journal of Lasers
- Vol. 44, Issue 10, 1003001 (2017)
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
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Table 1. Luminous flux of samples under laser excitation
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Table 2. Optical-to-optical conversion efficiencies of ceramic with Ce3+ mole fraction of 0.3% and single crystal with Ce3+ mole fraction of 1.5% under laser excitation
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