摘要
给出了多模光纤中微分模时延与折射率剖面分布间的简单关系 ;同时也对微分模的激励 ,给出了物理解释。
In the paper, a simple formula, which is relationship between differential mode delay and refractive index profile in multi mode fibers, is given. While physical explanation is also given for differential mode(group) excitation in multi mode fibers.
出处
《光通信研究》
北大核心
2000年第1期53-54,共2页
Study on Optical Communications
关键词
多模光纤
微分模时延
折射率剖面分布
multi mode fiber
\ differential mode delay
\ refractive index profile
\ index profile α