Double-clad Tm3+-doped silica fiber laser with Bragg grating inscribed directly into active core by femtosecond laser

被引：10

作者：

Song, C. W. ^{[1
]}

Zhang, Y. J. ^{[2
]}

Yao, B. Q. ^{[2
]}

Wang, Y. ^{[1
]}

Wang, W. ^{[2
]}

Ju, Y. L. ^{[2
]}

Wang, Y. Z. ^{[2
]}

机构：

[1] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China

[2] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China

来源：

LASER PHYSICS | 2009年 / 19卷 / 05期

关键词：

PHASE MASK; NARROW-LINEWIDTH; OPTICAL-FIBERS; MULTIMODE; INSCRIPTION; RADIATION;

D O I：

10.1134/S1054660X09050211

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report for the first time to inscribe the Fiber Bragg Grating (FBG) in Tm3+-doped multimode double-clad silica fiber by 800 nm femtosecond laser with a phase mask. The 1.35 mu m period Bragg grating is written into the fiber core, which is responded to the laser center wavelength located at nearly 1960 nm. Continuous wave total output power of 11.5 W is obtained under the launched pump power of 29.8 W, corresponding to a slope efficiency of 45.0% and a conversion efficiency of 38.6%.

引用

页码：1009 / 1012

页数：4

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