题目详情

以下关于单模光纤与多模光纤区别的描述中,错误的是()

  • A.单模光纤的工作波长一般是1310,1550nm, 多模充纤一般的工作波长一般是850mm
  • B.单模光纤纤径一般为9/125μm. 多模光纤纤径一般为50/125μm或62.5/125 um
  • C.单模光纤常用于短距离传输,多模光纤多用于远距离传输
  • D.单模光纤的光源一般是LD线光谱线较窄的LED,多模光纤的光源一般是发光二极管或激光器

正确答案及解析

正确答案
C
解析

单模光纤用于长距离传输,多模光纤多用于短距离传输。

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