| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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An Efficient Single-Frequency Yb-Doped All-Fiber MOPA Laser at 1064.3nm |
| Jin Kang1,2,3, Bao-Le Lu1,2,3**, Xin-Yuan Qi1,2,4, Xiao-Qiang Feng1,2,3, Hao-Wei Chen1,2,3, Man Jiang1,2,3, Yang Wang1,2,3, Pan Fu1,2,3, Jin-Tao Bai1,2,3,4 |
1National Key Laboratory of Photoelectric Technology and Functional Materials (Culture Base), Institute of Photonics and Photon-Technology, Northwest University, Xi'an 710069
2Shaanxi Engineering Technology Research Center for Solid State Lasers and Application, Xi'an 710069
3Institute of Photonics and Photon-technology, Provincial Key Laboratory of Photo-electronic Technology, Northwest University, Xi'an 710069
4School of Physics, Northwest University, Xi'an 710069
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| Cite this article: |
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Jin Kang, Bao-Le Lu, Xin-Yuan Qi et al 2016 Chin. Phys. Lett. 33 124202 |
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Abstract An efficient narrow-linewidth single-frequency (SF) Yb-doped all-fiber master oscillator power amplifier (MOPA) laser operating at 1064.3 nm is demonstrated experimentally. A ring cavity SF fiber laser is used as the seed source for the MOPA system and the Yb-doped fibers are employed as the gain medium or the saturable absorber. The SF operation is observed to be stable without mode hopping. The highest output power of 266 mW is obtained under the 400 mW pump power with the corresponding slope efficiency of 66.2%. The linewidth of the amplified output laser is approximately 1 kHz and its optical signal-to-noise ratio is over 45 dB.
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Received: 26 July 2016
Published: 29 December 2016
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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos 61475125 and 61505162, the Foundation of the Education Committee of Shaanxi Province under Grant Nos 16JK1769 and14JK1756, and the Science Foundation of Northwest University under Grant Nos 15NW07 and 13NW14. |
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