| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Ld-Clad-Pumped All-Fiber Tm3+-Doped Silica Fiber Laser |
| ZHANG Yun-Jun, SONG Shi-Fei, TIAN Yi, WANG Yue-Zhu |
| National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001 |
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| Cite this article: |
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ZHANG Yun-Jun, SONG Shi-Fei, TIAN Yi et al 2009 Chin. Phys. Lett. 26 084211 |
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Abstract The CW 39.4W all-fiber LD-clad-pumped Tm3+-doped fiber laser output is reported with a slope efficiency of 34% in respect to the pump power. The all-fiber laser is made up by progressively splicing the pigtail fiber, matched FBG fiber and Tm-doped fiber. The reflective FBG and Tm-doped fiber end fresnel reflection build up the laser resonance cavity. Due to the multi-mode FBG as the reflective mirror, the output laser spectrum is multi-peaks at high power output, whereas the total spectrum width is less than 2nm at nearly 1.94μm.
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| Keywords:
42.55.Wd
42.60.Jf
42.81.Qb
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Received: 22 April 2009
Published: 30 July 2009
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| PACS: |
42.55.Wd
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(Fiber lasers)
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42.60.Jf
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(Beam characteristics: profile, intensity, and power; spatial pattern formation)
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42.81.Qb
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(Fiber waveguides, couplers, and arrays)
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