V2EX chromatic dispersion

Chromatic Dispersion

释义 Definition

色散(尤其指“色度色散/波长色散”):在光学与光纤通信中,由于不同波长(颜色)的光在介质中的传播速度不同,导致脉冲在传播过程中展宽,从而引起信号失真带宽受限。(在光纤中常与“模间色散”并列讨论;此处主要指由波长相关折射率与波导效应引起的色度色散。)

发音 Pronunciation (IPA)

/krmtk dspn/

例句 Examples

Chromatic dispersion can blur an optical signal over long distances.
色度色散会在长距离传输中使光信号变得模糊、扩展变宽。

By using dispersion-compensating fiber, engineers reduce chromatic dispersion and improve data integrity in high-speed networks.
通过使用色散补偿光纤,工程师可以降低色度色散,并在高速网络中提升数据完整性。

词源 Etymology

chromatic 来自希腊语 chrōma(“颜色”),表示“与颜色/波长有关的”;dispersion 源自拉丁语 dispergere(“散开、分散”)。合起来字面意思是“因颜色(波长)不同而产生的分散”,在技术语境中指不同波长传播特性不同致的时间/脉冲展宽现象。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Fiber-Optic Communication Systems(G. P. Agrawal)讨论色度色散对高速光纤通信系统的限制与补偿方法。
  • Fundamentals of Photonics(B. E. A. Saleh & M. C. Teich)在光传播与光纤章节中解释色散机理与相关公式。
  • Optical Fiber Communications(Gerd Keiser)介绍光纤色散(含色度色散)的工程影响与系统设计要点。
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