包层为单轴晶体的光纤中基模功率分配的分析  

Study on power distribution of optical fiber with uniaxial crystal material cladding

作　　者：侯尚林[1] 马琼芳[1] 张晓萍[1] 

机构地区：[1]兰州大学信息科学与工程学院

出　　处：《量子电子学报》2004年第4期516-519,共4页Chinese Journal of Quantum Electronics

基　　金：高等学校骨干教师资助计划(200065);甘肃省自然科学基金资助项目(ZS991-A24-055-Y);(ZS032-B25-006)

摘　　要：研究了纤芯为均匀材料,包层为单轴各向异性晶体材料且其主轴沿光纤轴线的单包层光纤模型,针对HE11模,运用矢量精确解法分析了单轴晶体材料主轴折射率比参数kcl对光纤芯层和包层间功率分配的影响。研究结果表明kcl对该种光纤中芯层和包层间的功率分布影响显著,且其影响的大小和规律与kcl的取值有关。A fiber with cladding made of uniaxial anisotropic crystal material whose optical axis is parallel to the axis of fiber was proposed. The ratio (kcl) of the extraordinary to the ordinary ray index was introduced; the influence of parameter kcl upon the power distribution between core and cladding of this kind of fiber was examined. The calculated results indicate that parameter kcl has a strong impact on power distribution of this kind of fiber, and the degrees of such impact was closely related to the values of parameter kcl.

关 键 词：纤维与波导光学 单轴晶体 矢量精确解 功率分配 基模 

分 类 号：TN919.11[电子电信—通信与信息系统]