Characteristics and Laser Performance of Yb3+-Doped Silica Large Mode Area Fibers Prepared by Sol-Gel Method

被引：13

作者：

Wang, Shikai ^{[1
,2
]}

Lou, Fengguang ^{[1
,2
]}

Wang, Meng ^{[1
]}

Yu, Chunlei ^{[1
]}

Feng, Suya ^{[1
]}

Zhou, Qinling ^{[1
]}

Chen, Danping ^{[1
]}

Hu, Lili ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Optic & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

[2] Grad Sch Chinese Acad Sci, Beijing 100039, Peoples R China

来源：

FIBERS | 2013年 / 1卷 / 03期

关键词：

fiber laser; sol-gel method; Yb3+-doped silica glass; LMA DCF; LMA PCF;

D O I：

10.3390/fib1030093

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Large-size 0.1 Yb2O3-1.0 Al2O3-98.9 SiO2 (mol%) core glass was prepared by the sol-gel method. Its optical properties were evaluated. Both large mode area double cladding fiber (LMA DCF) with core diameter of 48 mu m and large mode area photonic crystal fiber (LMA PCF) with core diameter of 90 mu m were prepared from this core glass. Transmission loss at 1200 nm is 0.41 dB/m. Refractive index fluctuation is less than 2 x 10(-4). Pumped by 976 nm laser diode LD pigtailed with silica fiber (NA 0.22), the slope efficiency of 54% and "light-to-light" conversion efficiency of 51% were realized in large mode area double cladding fiber, and 81 W laser power with a slope efficiency of 70.8% was achieved in the corresponding large mode area photonic crystal fiber.

引用

页码：93 / 100

页数：8

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