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The LD-Cladding-Pumped High Power Tm3+-doped Silica Fibre Amplifying at Approximately 1.99μm |
| ZHOU Hui2;JING Tao1;ZHANG Yun-Jun2 |
| 1Department of Science and Technology Education, Quanzhou Normal University, Quanzhou 3620002National Key Lab of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150080 |
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| Cite this article: |
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ZHOU Hui, JING Tao, ZHANG Yun-Jun 2008 Chin. Phys. Lett. 25 1291-1292 |
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Abstract A laser diode (LD) cladding-pumped cw Tm3+-doped silica fibre amplifier is reported that provides up to 3W output with the slope efficiency nearly 30%. The gain fibre is 27.5/400μm D-shaped Tm3+-doped silica double-cladding
fibre, and the input signal sources is an LD-pumped Tm3+:YAP lasing at 1.99μm. The measured amplified spectrum only stretches a little relative to the input signal spectrum. This is the first report to the authors' knowledge of general experimental investigation of cladding-pumped Tm3+-doped fibre amplifier of high power cw at 1.99μm.
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| Keywords:
42.55.Xi
42.60.Da
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Received: 21 December 2007
Published: 31 March 2008
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| PACS: |
42.55.Xi
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(Diode-pumped lasers)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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