Author Affiliations
1School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China2School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singaporeshow less
Fig. 1. Fabrication process of YAG ceramic by co-precipitation and vacuum sintering method.
Fig. 2. Fabrication process of YAG ceramic by reactive sintering method.
Fig. 3. Photograph of different rare-earth doped YAG transparent ceramics fabricated in-house.
Fig. 4. The in-line transmittance of Ho:YAG and Er:YAG transparent ceramics with different doping concentrations.
Fig. 5. The microstructures of the RE:YAG ceramics fabricated in-house: (A) Er:YAG, (B) Ho:YAG, (C) Tm:YAG, and (D) Nd:YAG.
Fig. 6. The absorption and emission spectra of the fabricated Nd:YAG ceramics.
Fig. 7. A schematic of the Nd:YAG ceramic laser setup.
Fig. 8. Laser performance of the Nd:YAG ceramic lasers.
Fig. 9. The absorption and emission spectra of the fabricated Yb:YAG ceramics.
Fig. 10. Laser performance of the Yb:YAG ceramic lasers.
Fig. 11. The absorption and emission spectra of the fabricated Yb:LuAG ceramics.
Fig. 12. Laser performance of the Yb:LuAG ceramic lasers.
Fig. 13. The absorption and emission spectra of the fabricated Er:YAG ceramics.
Fig. 14. A schematic of the Er:YAG ceramic laser setup.
Fig. 15. Laser performance of the Er:YAG ceramic laser.
Fig. 16. The absorption and emission spectra of the fabricated Ho:YAG ceramics.
Fig. 17. A schematic of the Ho:YAG ceramics laser setup.
Fig. 18. Laser performance of the Ho:YAG ceramic laser.
Fig. 19. The transmittance and emission spectra of a fabricated Tm:YAG ceramic.
Fig. 20. A schematic of the diode-pumped Tm:YAG ceramic laser setup.
Fig. 21. Laser performance of the Tm:YAG ceramic lasers.
| Nd:YAG | Yb:YAG | Yb:LuAG | Er:YAG | Tm:YAG | Ho:YAG |
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Pumping wavelength | 808 nm | 940 nm | 980 nm | 1532 nm | 786 nm | 1907 nm | Output wavelength | 1064 nm | 1030 nm | 1030 nm | 1645 nm | 2016 nm | 2097 nm | Maximum output power | 15 W | 6.9 W | 7.2 W | 13.8 W | 6.05 W | 21 W | Slope efficiency | 62.0% | 62.7% | 65.0% | 54.5% | 65.0% | 61.0% |
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Table 1. Summary of the results of the ceramic laser experiments