| 多波长抽运光纤拉曼放大器的增益平坦研究 |
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| 引用本文： | 贾东方,刘俭辉,胡智勇,王思,李世忱.多波长抽运光纤拉曼放大器的增益平坦研究[J].激光与光电子学进展,2004,41(6):2-5. |
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| 作者姓名： | 贾东方 刘俭辉 胡智勇 王思 李世忱 |
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| 作者单位： | 天津大学精密仪器与光电子工程学院教育部光电信息技术科学重点实验室,天津,300072;天津大学精密仪器与光电子工程学院教育部光电信息技术科学重点实验室,天津,300072;辽东学院计算中心,丹东,118001 |
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| 基金项目： | 天津市科学技术发展基金(033800411)，辽宁省教育厅(202320969)资助课题。 |
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| 摘 要： | 对多波长抽运增益平坦拉曼光纤放大器设计中需考虑的重要问题进行分析，包括光纤类型差异和掺杂浓度对拉曼增益系数的影响等，并通过数值计算得到了不同波长抽运光随光纤长度的演变情况，进而给出了多波长抽运情况下抽运波长的选择方法，估算了抽运光的所需能量。
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| 关 键 词： | 光纤拉曼放大器 增益 增益平坦 多波长抽运 |
| 收稿时间： | 2003/12/12 |
| 修稿时间： | 2003年12月12 |
Gain Flatness Study on Multi-Wavelength Pumped Fiber Raman Amplifier |
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| JIA Dongfang LIU Jianhui, HU Zhi-yong WANG Sijie LI Shichen.Gain Flatness Study on Multi-Wavelength Pumped Fiber Raman Amplifier[J].Laser & Optoelectronics Progress,2004,41(6):2-5. |
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| Authors: | JIA Dongfang LIU Jianhui HU Zhi-yong WANG Sijie LI Shichen |
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| Affiliation: | JIA Dongfang1 LIU Jianhui1,2 HU Zhi-yong1 WANG Sijie1 LI Shichen1 |
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| Abstract: | Important issues on designing multi-wavelength pumped gain flatness of fiber Raman amplifiers (FRA) are analyzed, including effects of fiber type and doping concentration on Raman gain coefficient. Through numerical computation, evolutions of pump beams with different wavelength along with fiber length are acquired. Moreover, methods for selecting wavelengths and estimating pump power of each selected wavelength in multi-wavelength pumped gain flatness FRA are presented. |
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| Keywords: | fiber Raman amplifier (FRA) gain gain flatness multi-wavelength pump |
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