研究结果表明：具有复合形状的折射率和掺杂离子分布可以有效提高弯曲条件下大模面积增益介质光纤的性能。
The results indicate that a hybrid profile of RI and dopant is the best choice for LMA fiber with coiling.
如果需要，输入configure ports 1 - 4 preferred - medium copper——在端口1 - 4上将默认的首选介质光纤改为铜缆。
Enter configure ports 1-4 preferred-medium copper — Changes default preferred medium from fiber to copper on ports 1-4, if required.
接着推导了阶跃折射率平面介质波导和圆光纤的正交模式——包括束缚模式和辐射模式。
Then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes.
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