低数值孔径阶跃折射率塑料光纤中的频率响应与带宽
Frequency response and bandwidth in low-numerical-aperture step-index plastic optical fibers.
作者信息
Savović Svetislav, Drljača Branko, Kovačević Milan S, Djordjevich Alexandar, Bajić Jovan S, Stupar Dragan Z, Stepniak Grzegorz
出版信息
Appl Opt. 2014 Oct 20;53(30):6999-7003. doi: 10.1364/AO.53.006999.
By experimental measurement and from a numerical solution to the time-dependent power flow equation, the frequency response, bandwidth, mode coupling, and mode-dependent attenuation are determined for a low-numerical-aperture (NA) plastic optical fiber. Frequency response and bandwidth are specified as a function of fiber length. Numerical results are verified against experimental measurements. Mode coupling and modal attenuation are found to differ substantially between two fiber varieties of the same type (both low-NA, step-index, and plastic), implying their preferential suitability that is application-specific.
通过实验测量以及对随时间变化的功率流方程的数值求解，确定了低数值孔径（NA）塑料光纤的频率响应、带宽、模式耦合和模式相关衰减。频率响应和带宽被指定为光纤长度的函数。数值结果与实验测量结果进行了验证。发现同一类型的两种光纤（均为低NA、阶跃折射率和塑料光纤）之间的模式耦合和模式衰减存在显著差异，这意味着它们在特定应用方面具有优先适用性。
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