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Stress-Induced Birefringence and Structure Optimization of PMF
Author(s): 
Pages: 22-25
Year: Issue:  4
Journal: OPTICAL FIBER & ELECTRIC CABLE AND THEIR APPLICATIONS

Keyword:  应力双折射剖面结构应力区保偏光纤;
Abstract: 简单介绍了保偏光纤的应力双折射,并着重介绍了应用有限元法对"一"字型与熊猫型结构保偏光纤的应力双折射的对比分析.分析结果表明,对"一"字型而言,纤芯区的双折射在一定范围内随应力区的长度及宽度加大而增大;在相同剖面结构参数条件下,"一"字型光纤应力区对双折射的贡献约为熊猫型光纤的1.3倍;无论是何种结构的保偏光纤,缩小应力区与纤芯之间的距离是增大纤芯区双折射更为有效的途径.同时对保偏光纤结构优化的趋势进行了展望.
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