| 通过离子间有效交叉驰豫实现掺Tm光纤激光器的高功率和高效率运转 |
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| 引用本文： | 赵晓波,陈浩,赵婷,杨晓芳,沈德元.通过离子间有效交叉驰豫实现掺Tm光纤激光器的高功率和高效率运转[J].徐州师范大学学报(自然科学版),2010,28(2):1-4. |
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| 作者姓名： | 赵晓波 陈浩 赵婷 杨晓芳 沈德元 |
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| 作者单位： | 1. 徐州师范大学,物理与电子工程学院,江苏,徐州,221116;徐州工业职业技术学院,材料工程系,江苏,徐州,221140
2. 徐州师范大学,物理与电子工程学院,江苏,徐州,221116 |
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| 基金项目： | Research supported by the programfor postgraduate reasarch innovation in university of Jiangsu Province(2010); the key projects of the programfor postgraduate researchinnovative in Xuzhou Normal University(2010) |
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| 摘 要： | 通过对石英玻璃光纤芯径组分及Tm3+掺杂浓度的优化,有效地提高了Tm离子间的交叉驰豫过程,实现了掺铥光纤激光的高功率、高效率运转.当耦合的790 nm泵浦光为137 W时,掺铥光纤激光产生了81.5 W连续2.03μm激光输出,相对于耦合泵浦光的激光斜效率达62.5%,为斯托克斯极限效率的1.7倍.最后讨论了进一步提高激光输出性能的方法和可行性.
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| 关 键 词： | 高功率 掺Tm 石英光纤激光 交叉驰豫 |
Efficient and high-power operation of Tm3+-doped silica fibre laser based on enhanced cross-relaxation process |
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| ZHAO Xiaobo,CHEN Hao,ZHAO Ting,YANG Xiaofang,SHEN Deyuan.Efficient and high-power operation of Tm3+-doped silica fibre laser based on enhanced cross-relaxation process[J].Journal of Xuzhou Normal University(Natural Science Edition),2010,28(2):1-4. |
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| Authors: | ZHAO Xiaobo CHEN Hao ZHAO Ting YANG Xiaofang SHEN Deyuan |
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| Affiliation: | ZHAO Xiaobo1,2,CHEN Hao1,ZHAO Ting1,YANG Xiaofang1,SHEN Deyuan1 (1.School of Physics & Electronic Engineering,Xuzhou Normal University,Xuzhou 221116,Jiangsu,China 2.Department of Materials & Engineering,Xuzhou College of Industrial Technology,Xuzhou 221140,China) |
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| Abstract: | We describe a high-power and ultra-efficient cladding-pumped Tm-doped silica fibre laser with Tm3+ concentration and core composition optimised for efficient 'two-for-one' cross-relaxation. The fibre laser had a threshold pump power of 4.8 W and yielded a maximum output power of 81.5 W at 2.03 μm for 137 W launched pump power at～790 nm, corresponding to a slope-efficiency of 62.5% with respect to launched pump power. The prospects for further improvement in performance are discussed. |
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| Keywords: | high-power Tin-doped silica fiber laser cross relaxation |
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