Experimental study on the polarization extinction ratio degradation in high power hybrid fiber amplifier chains employing PM/non-PM Yb-doped fibers

被引：4

作者：

Zhu, Jiajian ^{[1
]}

Wang, Xiaolin ^{[1
]}

Ma, Yanxing ^{[1
]}

Du, Wenbo ^{[1
]}

Dong, Xiaolin ^{[1
]}

Zhou, Pu ^{[1
]}

Xu, Xiaojun ^{[1
]}

机构：

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

来源：

OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 01期

关键词：

Fiber amplifier; Coherent beam combination; Polarization extinction ratio; COHERENT BEAM COMBINATION; LASER;

D O I：

10.1016/j.optlastec.2011.05.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Hybrid fiber amplifier chains employing polarization-maintaining (PM)/non-polarization-maintaining (non-PM) Yb-doped fibers (YDF) were proposed and the polarization extinction ratio (PER) degradation in the amplifier chains was studied experimentally. It was found that the PER increased if the PM YDF was pumped, while the PER decreased gradually if the non-PM YDF was pumped. In addition, it was shown that the hybrid high power fiber amplifier was also coherently combinable experimentally, and it was found that the contrast of pattern captured while using the PM/non-PM hybrid amplifier chains just decreased by 17% compared with only using PM amplifier, which confirmed the feasibility and potential application of the hybrid fiber amplifier chains in the coherent beam combination (CBC) of fiber lasers. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：35 / 38

页数：4

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