“mode field diameter”的概念、定义、翻译、参考文献-科学参考

单词	mode field diameter
释义	mode field diameter Encyclopedia 工学单模光纤模场直径测量释 mode field diameter单模光纤模场直径测量光在光纤中传播，实际上能量传输并不像几何光学中那样描述集中在纤芯中，而是部分能量在包层中传输。因此纤芯直径不能反映光纤中的能量分布，于是提出了有效面积的模场直径概念。模场直径（MFD）用来表征在单模光纤的纤芯区域基模光的分布状态。
随便看	shaft current shaft current of hydro-generator unit shaft deepening shaft development shaft distortion shaft drainage shaft drilling shaft drilling machine shaft encoder shaft excavation shaft fixed platform shaft for cable and pipe shaft furnace shaft furnace iron smelting in Africa shaft hoisting shafting shaft kiln shaft-less printing system shaft lining shaft lining process shaft lock shaft of underground oil storage in rock caverns shaft process of pelletizing shaft spillway shaft state measurement

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