An approximate analytic solution of strongly pumped Yb-doped double-clad fiber lasers without neglecting the scattering loss

被引：44
|
作者：
Xiao, LM [1 ]
Yan, P [1 ]
Gong, ML [1 ]
Wei, WL [1 ]
Ou, P [1 ]
机构：
[1] Tsinghua Univ, Dept Precis Instruments, Beijing 100084, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2004年 / 230卷 / 4-6期
关键词：
fiber lasers; diode-pumped lasers; double-clad fiber lasers; the analytic function of distributed laser; high-power fiber laser;
D O I：
10.1016/j.optcom.2003.11.017
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A theoretical analysis of strongly pumped Yb-doped double-clad fiber lasers is presented and an approximate analytic function of distributed laser along the whole fiber with the scattering loss is obtained for the first time. A comparison is made between the analytic solution and the exact numerical solution. The results have shown that the analytic function of distributed laser within the fiber is accurate and explicit. With the analytic solution the losses caused by laser scattering are shown in three different pump modes. The results verify that the backward pumping can get the highest output power in strongly pumped fiber lasers. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：401 / 410
页数：10
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