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.
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页数：6
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