| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A kW Continuous-Wave Ytterbium-Doped All-Fiber Laser Oscillator with Domestic Fiber Components and Gain Fiber |
| LIAO Lei1, LIU Peng1, XING Ying-Bin1, WANG Yi-Bo1, PENG Jing-Gang1, DAI Neng-Li1, LI Jin-Yan1**, HE Bing2, ZHOU Jun2 |
1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074
2Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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LIAO Lei, LIU Peng, XING Ying-Bin et al 2015 Chin. Phys. Lett. 32 064201 |
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Abstract We demonstrate a kW continuous-wave ytterbium-doped all-fiber laser oscillator with all domestic fiber components: a 7×1 fused fiber bundle combiner, a fiber Bragg grating and a double-clad gain fiber. The oscillator operates at 1079.48 nm with 80.94% slope efficiency and shows no limit of temperature and nonlinear effects. These indicate that the passive fiber components and the gain fiber are all qualified for the high power environment. No evidence of the signal power roll-over shows that this oscillator possesses the capacity to higher output with available pump power.
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Received: 05 March 2015
Published: 30 June 2015
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