V2EX single-mode fiber

Single-Mode Fiber

定义 Definition

单模光纤:一种光纤,只允许(或主要允许)单一传播模式的光在纤芯中传输,通常用于长距离、高带宽、低衰减的光通信(常见于骨干网、城域网、数据中心互联等)。日常也常写作 SMF。除通信外,在传感、激光系统中也常见。

发音 Pronunciation (IPA)

/sl mod fabr/

例句 Examples

Single-mode fiber is used for long-distance internet connections.
单模光纤用于长距离的互联网连接。

Because single-mode fiber supports higher bandwidth and lower signal loss, the telecom company upgraded its backbone network to improve reliability.
由于单模光纤支持更高带宽且信号损耗更低,这家电信公司升级了其骨干网络以提升可靠性。

词源 Etymology

single-modesingle(单一的)+ mode(模式、传播方式)构成;在光学/波导领域,mode 指“电磁波在介质中传播的特定分布形态”。fiber 源自拉丁语 fibra(纤维),在现代通信语境中专指“光纤”。合起来即“只支持单一传播模的光纤”。

相关词 Related Words

文献与作品 Literary/Notable Works

  • Optical Fiber Communications(Gerd Keiser)光纤通信经典教材中系统讨论单模光纤的特性与应用。
  • Fiber-Optic Communication Systems(Govind P. Agrawal)涵盖单模传输、色散与系统设计。
  • ITU-T G.652 建议书(“Characteristics of a single-mode optical fibre and cable”)最常被引用的单模光纤标准之一。
  • Fundamentals of Photonics(Bahaa E. A. Saleh & Malvin C. Teich)在波导与光纤章节涉及单模条件与传播模式概念。
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