| Original Articles |
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Efficient Diode-Pumped Tm:YALO3 Laser with a Pump Recycling Scheme |
YAO Bao-Quan1;LI Yu-Feng1;WANG Yue-Zhu1;DUAN Xiao-Ming1;ZHAO
Guang-Jun2;ZONG Yan-Hua2;XU Jun2 |
| 1National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 1500012The Laser and Optoelectronic Functional Material R&D Center, Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800 |
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| Cite this article: |
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YAO Bao-Quan, LI Yu-Feng, WANG Yue-Zhu et al 2007 Chin. Phys. Lett. 24 2597-2599 |
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Abstract By using a pump recycling configuration, the maximum power of 8.1W in the wavelength range 1.935--1.938μm is generated by a 5-mm long Tm:YAlO3 (4 at.%) laser operating at 18°C with a pump power of 24W. The highest slope efficiency of 42% is attained, and the pump quantum efficiency is up to 100%. The Tm:YAlO3 laser is employed as a pumping source of singly-doped Ho(1%):GdVO4 laser operating at room temperature, in which continuous wave output power of greater than 0.2W at 2.05μm is achieved with a slope
efficiency of 9%.
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| Keywords:
42.60.Pk
42.55.Rz
42.55.Xi
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Received: 13 May 2007
Published: 16 August 2007
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| PACS: |
42.60.Pk
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(Continuous operation)
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42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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42.55.Xi
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(Diode-pumped lasers)
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