High power 1018 nm monolithic Yb3+-doped fiber laser and amplifier

被引：38

作者：

Xiao, H. ^{[1
]}

Zhou, P. ^{[1
]}

Wang, X. L. ^{[1
]}

Guo, S. F. ^{[1
]}

Xu, X. J. ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

来源：

LASER PHYSICS LETTERS | 2012年 / 9卷 / 10期

关键词：

fiber laser; fiber amplifier; amplified spontaneous emission;

D O I：

10.7452/lapl.201210070

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this letter high power monolithic 1018 nm fiber laser and amplifier are presented. The output characteristics of 1018 nm laser with amplified spontaneous emission (ASE) feedback, fiber Bragg gratings (FBG) reflectivity, gain fiber length and other parameters are experimentally investigated. The difference between 1018 and 1064 nm amplification are also compared in experiment. Based on these experimental results, we find viable approaches to improve the laser and amplifier's performances. 85 W 1018 nm fiber laser with a slope efficiency of 71% and 110 W 1018 nm fiber amplifier with the slope efficiency of 77% are achieved, both of which we believe are the highest output at this wavelength that ever reported in open detail.

引用

页码：748 / 753

页数：6

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