| Narrow Linewidth Tm^3＋-Doped Large Core Fiber Laser Based on a Femtosecond Written Fiber Bragg Grating |
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| 引用本文： | 张云军,王巍,周仁来,宋诗非,田义,王月珠.Narrow Linewidth Tm^3＋-Doped Large Core Fiber Laser Based on a Femtosecond Written Fiber Bragg Grating[J].中国物理快报,2010,27(7):147-149. |
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| 作者姓名： | 张云军 王巍 周仁来 宋诗非 田义 王月珠 |
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| 基金项目： | Supported by the Development Program for Outstanding Young Teachers in Harbin Institute of Technology under Grant No hitqnjs-2008.005. |
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| 摘 要： | A diode laser （LD） clad-pumped narrow linewidth all-fiber Tm^3＋-doped fiber laser is reported with a maximal output power of 27W at 1.947μm. By successively splicing an LD pigtail fiber, a single-mode Tm^3＋-doped fiber, and a multi-mode Tm^3＋-doped fiber, the fiber laser has 70pm narrow linewidth output, and a high slope efficiency of nearly 47.5% with respect to the launched pump power. The high reflectivity fiber Bragg gratings, which are directly written into the single-mode Tm^3＋-doped fiber core by the 800nm femtosecond pulsed laser, act as the high reflectivity coupler. The output laser has diffraction-limited beam quality with a factor M^2 of 1.29, when the output laser power is nearly 27W.
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| 关 键 词： | 光纤光栅 飞秒激光 窄线宽 Tm 最大输出功率 光纤布拉格光栅 飞秒脉冲激光器 光纤激光器 |
| 收稿时间： | 2009-11-12 |
Narrow Linewidth Tm3+-Doped Large Core Fiber Laser Based on a Femtosecond Written Fiber Bragg Grating |
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| ZHANG Yun-Jun,WANG Wei,ZHOU Ren-Lai,SONG Shi-Fei,TIAN Yi,WANG Yue-Zhu.Narrow Linewidth Tm3+-Doped Large Core Fiber Laser Based on a Femtosecond Written Fiber Bragg Grating[J].Chinese Physics Letters,2010,27(7):147-149. |
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| Authors: | ZHANG Yun-Jun WANG Wei ZHOU Ren-Lai SONG Shi-Fei TIAN Yi WANG Yue-Zhu |
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| Institution: | National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001 |
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| Abstract: | |
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| Keywords: | 42 55 Wd 42 60 Jf 42 81 Qb |
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