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本文将变分有限元法以两种不同的处理进行了扩充,并用其详细研究了双包层单模光纤的色散特性,得出一些有意义的结论。
In this paper, the variational finite element method is extended with two different treatments, and the dispersion characteristics of double-clad single-mode fiber are studied in detail. Some meaningful conclusions are drawn.