| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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In-Band Pumped High Power Ho:YAG Ceramic Laser by a Tm:YLF Laser |
| YUAN Jin-He1, YAO Bao-Quan1, DUAN Xiao-Ming1**, SHEN Ying-Jie1, CUI Zheng1, YU Kuai-Kuai1, LI Jiang2**, PAN Yu-Bai2 |
1National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
2Key Laboratory of Transparent and Opto-functional Advanced Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050
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| Cite this article: |
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YUAN Jin-He, YAO Bao-Quan, DUAN Xiao-Ming et al 2014 Chin. Phys. Lett. 31 124205 |
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Abstract We demonstrate a high power Ho:YAG ceramic laser resonantly pumped by a Tm:YLF laser at 1908 nm. The lasing characteristics of a 1.0 at.% Ho3+-doped YAG ceramic are investigated and compared with different output couplers. By using an output coupler of 50% transmission and 100 mm radius of curvature, a 26.8 W continuous wave is obtained at 2091 nm, corresponding to a slope efficiency of 57.9% and an optical to optical efficiency of 55.8% with respect to the absorbed pump power.
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Published: 12 January 2015
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| PACS: |
42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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42.60.Pk
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(Continuous operation)
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42.72.Ai
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(Infrared sources)
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