| 双纵模窄线宽光纤拉曼放大器 |
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| 引用本文： | 许将明,冷进勇,吴武明,周朴,侯静.双纵模窄线宽光纤拉曼放大器[J].强激光与粒子束,2011,23(7). |
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| 作者姓名： | 许将明 冷进勇 吴武明 周朴 侯静 |
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| 作者单位： | 国防科学技术大学 光电科学与工程学院， 长沙 410073 |
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| 基金项目： | 国家自然科学基金项目(61077076,61007037,10904173); 教育部新世纪优秀人才支持计划项目(NCET-08-142) |
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| 摘 要： | 报道了一台实现了双纵模窄线宽激光输出的光纤拉曼放大器。利用中心波长1 079.7 nm的双纵模窄线宽种子激光器获得了频率间隔1.4 GHz、功率比约3∶1的双纵模输出，各纵模的线宽约为10 MHz；再利用1 031 nm泵浦光对双纵模种子光进行拉曼放大，实现了1.07 W双纵模激光输出。拉曼放大过程中，两个纵模的线宽、频率间隔及功率比保持得很好。
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| 关 键 词： | 光纤拉曼放大器 双纵模 窄线宽 放大特性 |
| 收稿时间： | 1900-01-01; |
Dual-longitudinal-modes narrow-linewidth fiber Raman amplifier |
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| Xu Jiangming,Leng Jinyong,Wu Wuming,Zhou Pu,Hou Jing.Dual-longitudinal-modes narrow-linewidth fiber Raman amplifier[J].High Power Laser and Particle Beams,2011,23(7). |
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| Authors: | Xu Jiangming Leng Jinyong Wu Wuming Zhou Pu Hou Jing |
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| Institution: | (College of Opto-Electronic Science and Engineering, National University of Defense Technology, Changsha 410073， China) |
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| Abstract: | A fiber Raman amplifier (FRA) with dual-longitudinal-modes narrow-linewidth output is reported. Firstly, the dual-longitudinal-modes seed light with 1.4 GHz frequency spacing and a power proportion of 3∶1 is obtained by a home-made dual-longitudinal-modes narrow-linewidth fiber laser operating at 1 079.7 nm. The linewidth of each longitudinal mode is about 10 MHz. Then, the dual-longitudinal-modes seed light is amplified to a maximal power of 1.07 W with 1 031 nm pump source. The linewidth, frequency spacing and power proportion of the two longitudinal modes of the seed light have been maintained during the amplification. |
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| Keywords: | fiber Raman amplifier dual-longitudinal-modes narrow line-width amplification characteristic |
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