Yb3+-doped large core silica fiber for fiber laser prepared by glass phase-separation technology

被引：29

作者：

Chu, Yingbo ^{[1
]}

Ma, Yunxiu ^{[1
]}

Yang, Yu ^{[1
]}

Liao, Lei ^{[1
]}

Wang, Yibo ^{[1
]}

Hu, Xiongwei ^{[1
]}

Peng, Jinggang ^{[1
]}

Li, Haiqing ^{[1
]}

Dai, Nengli ^{[1
]}

Li, Jinyan ^{[1
]}

Yang, Luyun ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China

来源：

OPTICS LETTERS | 2016年 / 41卷 / 06期

基金：

中国国家自然科学基金;

关键词：

UP-CONVERSION; HIGH-POWER; GREEN;

D O I：

10.1364/OL.41.001225

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the preparation and optical characteristics of an Yb3+-doped large core silica fiber with the active core prepared from nanoporous silica rod by the glass phase-separation technology. The measurements show that the fiber has an Yb3+ concentration of 9811 ppm by weight, a low background attenuation of 0.02 dB/m, and absorption from Yb3+ about 5.5 dB/m at 976 nm. The laser performance presents a high slope efficiency of 72.8% for laser emission at 1071 nm and a low laser threshold of 3 W within only 2.3 m fiber length. It is suggested that the glass phase-separation technology shows great potential for realizing active fibers with larger core and complex fiber designs. (C) 2016 Optical Society of America

引用

页码：1225 / 1228

页数：4

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