| High-power double-clad large-mode-area photonic crystal fiber laser |
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| 作者姓名： | 李康 王屹山 赵卫 陈国夫 彭钦军 崔大复 许祖彦 |
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| 作者单位： | State Key Laboratory of Transient Optics Technology，Xi'an Institute of Optics and Precision Mechanics，Chinese Academy of Sciences，State Key Laboratory of Transient Optics Technology，Xi'an Institute of Optics and Precision Mechanics，Chinese Academy of Sciences，State Key Laboratory of Transient Optics Technology，Xi'an Institute of Optics and Precision Mechanics，Chinese Academy of Sciences，State Key Laboratory of Transient Optics Technology，Xi'an Institute of Optics and Precision Mechanics，Chinese Academy of Sciences，Key Laboratory of Optical Physics，Institute of Physics，Chinese Academy of Sciences，Key Laboratory of Optical Physics，Institute of Physics，Chinese Academy of Sciences，Key Laboratory of Optical Physics，Institute of Physics，Chinese Academy of Sciences Xi'an 710068，Graduate School，Chinese Academy of Sciences，Beijing 100039，Xi'an 710068，Xi'an 710068，Xi'an 710068，Beijing 100080，Graduate School，Chinese Academy of Sciences，Beijing 100039，Beijing 100080，Beijing 100080 |
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| 基金项目： | This work was supported by the Science and Tech-nology Innovation Foundation of the Chinese Academyof Sciences under Grant No. CXJJ-120 |
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| 摘 要： | High power fiber lasers based on ytterbium-doped large- mode-area photonic crystal fiber (LMA PCF) have been the focus of considerable research1-3]. Output powers up to 260 W based on the LMA PCF were obtained without any thermo-optical problems or reduction in slope efficiency, only limited by the available pump diode lasers3]. High power fiber lasers based on the conventional ytterbium-doped step-index fibers require relatively large mode areas to avoid the fiber surface damage caused…
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