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掺镱光纤放大器中的热效应分析

Thermal Effect Analysis for the Yb3+doped Fiber Amplifier

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摘要

为了研究掺镱双包层单频光纤放大器中受激布里渊散射产生的规律,从含有受激布理渊散射的速率方程和热传导方程出发,对光纤放大器中的热效应问题进行了理论分析.讨论了泵浦功率、包层半径和换热系数对受激布理渊散射的影响,所得结论为实验研究单频光纤放大器中受激布理渊散射的变化规律提供了理论依据.

Abstract

In order to study Stimulated Brillouin Scattering(SBS) in Yb3+-doped double clad single-frequency fiber amplifier,thermal effects of the fiber amplifier were analyzed theoretically,based on the rate equations and heat transfer equations.The impacts of the fiber temperature,which can broaden the SBS gain profile and suppress SBS,on the amplifier performances were discussed.The relationships between the SBS and pump power,signal power,heat transfer coefficient were simulated.The results of simulation provide theoretical guide to optimum design of high power single-frequency fiber amplifier.

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中图分类号:TN248.1

收稿日期:2010-08-10

修改稿日期:2010-10-15

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作者单位    点击查看

杨春波:国防科技大学 光电科学与工程学院,长沙 410073
冷进勇:国防科技大学 光电科学与工程学院,长沙 410073
陆启生:国防科技大学 光电科学与工程学院,长沙 410073

联系人作者:杨春波(68490388@163.com)

备注:杨春波(1985-),男,硕士研究生,主要研究方向为高功率光纤激光器.

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引用该论文

YANG Chun-bo,LENG Jin-yong,LU Qi-sheng. Thermal Effect Analysis for the Yb3+doped Fiber Amplifier[J]. ACTA PHOTONICA SINICA, 2011, 40(4): 509-513

杨春波,冷进勇,陆启生. 掺镱光纤放大器中的热效应分析[J]. 光子学报, 2011, 40(4): 509-513

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