Preparation, package and high-power fiber laser experiment of large mode-area fiber grating

被引：0

作者：

Fan Yuan-yuan ^{[1
,2
]}

Zhou Jun ^{[1
]}

He Bing ^{[1
]}

Zheng Ji-tuo ^{[1
,2
]}

Liu Hou-kang ^{[1
,2
]}

Gu Xi-jia ^{[3
]}

Lou Qi-hong ^{[1
]}

机构：

[1] Shanghai Inst Opt & Fine Mech, Shanghai Key Lab All Solid State Laser & Appl Tec, Shanghai 201800, Peoples R China

[2] Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Ryerson Univ, Toronto, ON M5B 2K3, Canada

来源：

INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2011: LASER SENSING AND IMAGING AND BIOLOGICAL AND MEDICAL APPLICATIONS OF PHOTONICS SENSING AND IMAGING | 2011年 / 8192卷

基金：

国家高技术研究发展计划(863计划);

关键词：

Fiber lasers; Fiber Bragg grating (FBG); Phase mask technique; Metally packaged; Large-mode-area double-clad fiber (LMA-DCF); LARGE-CORE FIBER;

D O I：

10.1117/12.900574

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The inscription method of FBGs on large-mode-area double-clad fibers (LMA-DCFs) with phase mask technique was described. A pair of LMA FBGs was prepared and the center wavelengths of them were both around 1076nm with 3 dB bandwidths of about 0.5nm. The reflectivities of them are 99% and 10% in the fundamental mode, respectively. In order to be protected and to withstand high-power laser, the FBGs were metally packaged, and then applied to an Yb3+-doped LMA-DCF laser as the laser cavity. An output power of 314 W centered at 1075.71 nm with a slope efficiency of 60% was achieved.

引用

页数：6

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