Experimental and theoretical study of optical losses in straight and bent Bragg fibres

被引：4
作者：
Aleshkina, S. S. [1 ]
Likhachev, M. E. [1 ]
Uspenskii, Yu A. [2 ]
Bubnov, M. M. [1 ]
机构：
[1] Russian Acad Sci, Fiber Opt Res Ctr, Moscow 119333, Russia
[2] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
来源：
QUANTUM ELECTRONICS | 2010年 / 40卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
fibre optics; Bragg fibre; optical losses; bending loss; PHOTONIC-BANDGAP FIBER; MODES;
D O I：
10.1070/QE2010v040n10ABEH014380
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The leakage loss in straight and bent Bragg fibres has been studied experimentally and theoretically using five fibres differing in the core diameter, the number of layers in the Bragg mirror and their refractive indices. Simple analytical formulas have been derived within ray-optics theory which describe leakage and bending losses. The optical loss calculated using these formulas agrees well with our experimental data. Analysis of the theoretical and experimental results enables us to assess the effect of parameters of the waveguiding system on the optical loss in straight and bent fibres.
引用
收藏
页码：893 / 898
页数：6
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