Simple coupling method for enhancing Brillouin scattering signal in polymer optical fibres

被引：5
|
作者：
Mizuno, Y. [1 ]
Hayashi, N. [1 ]
Nakamura, K. [1 ]
机构：
[1] Tokyo Inst Technol, Precis & Intelligence Lab, Midori Ku, 4259 Nagatsuta, Yokohama, Kanagawa 2268503, Japan
来源：
ELECTRONICS LETTERS | 2012年 / 48卷 / 20期
基金：
日本学术振兴会;
关键词：
D O I：
10.1049/el.2012.2808
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：
A simple, efficient, and cost-effective method to enhance a Brillouin scattering signal in perfluorinated graded-index (GI-)polymer optical fibres (POFs) is proposed and demonstrated. In this method, instead of the conventional butt-coupling of a POF to a silica singlemode fibre (SMF), a multimode fibre (MMF) with a proper mode-field diameter of the fundamental mode is additionally inserted between the two fibres to improve the optical coupling efficiency from the POF to the SMF. After theoretical analysis, it is experimentally shown that the Brillouin signal in the POF is clearly enhanced simply by inserting standard MMFs, which are commercially available at affordable cost.
引用
收藏
页码：1281 / +
页数：2
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