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掺镱双包层脉冲光纤放大器的特性研究

Characteristics of Ytterbium-doped Double-cladding Pulsed Fiber Amplifiers

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摘要

在高频及低频脉冲种子光的情况下讨论了掺镱双包层光纤放大器的输出特性.在有限差分法中,对于不同重复频率的脉冲种子光,需要设置不同的初始条件以快速计算得到稳定输出.本文给出了在高频和低频情况下设置初始条件的方法,并讨论了作为种子光的准连续高频高斯脉冲峰值功率与其等效连续光功率之间的关系,最后计算了种子光为高频及低频脉冲情况下的平均输出功率与泵浦功率的关系.

Abstract

Output characteristics of Yb-doped double-cladding pulsed fiber amplifiers were discussed under conditions of low and high repetition rates using the time-dependent rate equations. Because there are several different initial conditions used in the finite-difference method with different repetition rates, some methods were presented to determine the initial conditions. The relationship of the peak powers of the high repetition rates with their equivalent continuous wave powers was also discussed when the signal light was in Gaussian shape. The change of the average output power with the pump power was obtained under the conditions of the pulsed signals with low repetition rates and high repetition rates.

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中图分类号:TN248

DOI:10.3788/gzxb20114009.1287

基金项目:The National Natural Science Foundation of China(No.60678010).

收稿日期:2011-05-13

修改稿日期:2011-05-28

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张晓:北京工业大学 微纳信息光子技术研究所应用数理学院,北京 100124
宋晏蓉:北京工业大学 微纳信息光子技术研究所应用数理学院,北京 100124
于振华:北京工业大学 微纳信息光子技术研究所应用数理学院,北京 100124
杨昭辉:北京工业大学 微纳信息光子技术研究所应用数理学院,北京 100124
田金荣:北京工业大学 微纳信息光子技术研究所应用数理学院,北京 100124
张新平:北京工业大学 微纳信息光子技术研究所应用数理学院,北京 100124

联系人作者:ZHANG Xiao(xzhang@emails.bjut.edu.cn)

备注:ZHANG Xiao(1985-), male, M.S. degree, mainly focuses on fiber lasers and fiber amplifiers.

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【7】CHANG Li-ping, FAN Wei, CHEN Jia-lin , et al. High power pulse amplification of ytterbium-doped double-clad fiber amplifier[J]. Chinese Optics Letters, 2007, 5(11): 624-627.

【8】PASCHOTTA R, NILSSON J, TROPPER A C, et al. Ytterbium-doped fiber amplifiers[J]. IEEE Journal of QuantumElectronics, 1997, 33(7): 1049-1056.

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引用该论文

ZHANG Xiao,SONG Yan-rong,YU Zhen-hua,YANG Zhao-hui,TIAN Jin-rong,ZHANG Xin-ping. Characteristics of Ytterbium-doped Double-cladding Pulsed Fiber Amplifiers[J]. ACTA PHOTONICA SINICA, 2011, 40(9): 1287-1292

张晓,宋晏蓉,于振华,杨昭辉,田金荣,张新平. 掺镱双包层脉冲光纤放大器的特性研究[J]. 光子学报, 2011, 40(9): 1287-1292

被引情况

【1】段志春,周继芳,陈建国,王藩侯,高曾辉,黄永平,陈海涛. 光纤放大器对短脉冲串动态响应的半解析. 强激光与粒子束, 2012, 24(6): 1369-1375

【2】康英,程丽君,杨苏辉,赵长明,张海洋,何滔. 高功率全光纤光载微波信号功率放大器. 光子学报, 2016, 45(9): 914002--1

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