单模螺旋光纤的本地场  

Local Fields in Single-mode Helical Fibers

作　　者：陈冠三[1] 王奇[1] 

机构地区：[1]广东中山大学电子工程系

出　　处：《上海大学学报（自然科学版）》1995年第1期91-97,共7页Journal of Shanghai University:Natural Science Edition

摘　　要：本文从麦克斯韦方程出发，在螺旋光纤的本地坐标系（Ｓｅｒｒｅｔ－Ｆｒｅｎｅｔ框架）中推导了电场满足的标量本地场波动方程，近似地求解了该波动方程，得到两个基本结果：１）单模螺旋光纤的本地模是圆偏振模；２）在两基模之间的传播常数之差是２τ．上述的理论结果和已知的实验结果相一致．The scalar local-field wave equations in belieal fibers are derived and solvedapproximately in a local coordinate system-the Serret-Frenet frame from theMaxwell's equations. Two basic results are obtained: 1) The local modes in asingle-mode belieal fiber are circularly polarised. 2) The difference of the propagation constants between the two fundamental modes is 2π. They agree well withthat of the known experimental measurements.

关 键 词：单模光纤 本地场 螺旋光纤 光传输 光纤 

分 类 号：TN25[电子电信—物理电子学]