Transformation of the intensity profile for a step-index multimode fiber core

被引：1
|
作者：
Kobayashi, Shigeru [1 ,2 ]
Sugihara, Okihiro [2 ]
机构：
[1] Tyco Elect Japan GK, Kawasaki, Kanagawa 2148533, Japan
[2] Utsunomiya Univ, Grad Sch Engn, Utsunomiya, Tochigi 3218585, Japan
来源：
IEICE ELECTRONICS EXPRESS | 2017年 / 14卷 / 11期
关键词：
EAF; encircled angular flux; launch light; step-index multimode fiber; ENCIRCLED ANGULAR FLUX; MODAL POWER DISTRIBUTION; CONNECTIONS;
D O I：
10.1587/elex.14.20170375
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 launch light conditions for the 200-mu m core step-index multimode fiber have been defined by the International Electrotechnical Commission. However, we found conditions that give results outside the specified values, even when the launch lights are within the standardized encircled angular flux requirements. We report the transformation of the intensity profile for the fiber core showing non-uniform intensity distributions at practical link lengths. These distributions cause a gap compared to classical geometric models. We verified our proposed approach for a launch light study by using far- and near-field patterns of the fiber.
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页数：6
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