Chinese Optics Letters, 2011, 9 (6): 060603, Published Online: May. 6, 2011
Improved large-mode-area Bragg fiber 
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大模面积 布拉格光纤 放大的自发辐射 移频光纤激光器 全固光子带隙光纤 060.2270 Fiber characterization 060.2280 Fiber design and fabrication 060.2430 Fibers, single-mode 060.5295 Photonic crystal fibers 140.3510 Lasers, fiber
Abstract
A novel large-mode-area Bragg fiber (BF) is proposed for selectively suppressing the amplified spontaneous emission (ASE) of Yb. Confinement loss can be effectively lowered by adding a layer of F-doped glass near the core of this fiber. The BF can achieve effective suppression of ASE of Yb when the bend radius is 0.15 m at wavelength lower than 1.13 \mu m in theory, and eliminate LP11 mode in mode competition in wavelength range of 1.15-1.2 \mu m.
Peiguang Yan, Jian Zhao, Shuangchen Ruan, Junqing Zhao, Geguo Du, Huifeng Wei, Xiang Li, Shengping Chen. Improved large-mode-area Bragg fiber[J]. Chinese Optics Letters, 2011, 9(6): 060603.
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