| 用于传感的具有平坦带宽掺Er光纤超荧光光源的研究 |
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| 引用本文： | 贾振安.用于传感的具有平坦带宽掺Er光纤超荧光光源的研究[J].光电子．激光,2009(12):1569-1572. |
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| 作者姓名： | 贾振安 |
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| 作者单位： | 西安石油大学光电油气测井与检测教育部重点实验室; |
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| 基金项目： | 国家自然科学基金资助项目(60654001,60727004); 国家“863”计划资助项目(2006AA06Z210,2007AA03Z413); 教育部科技创新工程重大资助项目(Z08119); 中石油创新基金资助项目(2008D-5006-03-08) |
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| 摘 要： | 设计和实现了一种双程后向泵浦结构的掺Er光纤(EDF)超荧光光源。通过1×2端的980nm耦合器和980nm的LD,实现了单管双泵浦作用,改善了光源输出光谱、带宽和平坦度,在未加滤波器的情况下,最高功率可达41.48mW(16.18dBm),3dB带宽可达40nm,平坦度为±1.5dB。该光源结构简单、易于实现,应用于光纤光栅(FBG)传感系统,可实现多FBG传感信号峰值功率均衡。
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| 关 键 词： | 超荧光光纤光源(SFS) 光纤环形镜(FLM) 放大自发辐射(ASE) 光纤光栅(FBG)传感 |
Research on flatten Er~(3+) doped superfluorescence fiber source used in sense |
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| JIA Zhen-an.Research on flatten Er~(3+) doped superfluorescence fiber source used in sense[J].Journal of Optoelectronics·laser,2009(12):1569-1572. |
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| Authors: | JIA Zhen-an |
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| Abstract: | A broadband flatten Er-doped superfluorescent fiber source is designed and implemented,in which the double-pass backward pump is adopted.The dual pumps are obtained by using a 980 nm 1×2 coupler and a 980 nm laser diode(LD).This configuration improves the characters such as power,bandwith and flatness of the source without using any external spectral filters.The highest power of the source is up to 41.48 mW(16.18 dBm),the 3 dB band width is 40 nm,and flatness is ±1.5 dB,and the structure is simp... |
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| Keywords: | superfluorescent fiber source(SFS) fiber loop mirror(FLM) amplified spontaneous emission(ASE) fiber Bragg grating sensor |
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