V2EX dispersion-compensating fiber

Dispersion-compensating fiber

定义 Definition

色散补偿光纤(DCF):一种专门设计的光纤,用来在光纤通信系统中抵消普通单模光纤(如SMF)传输产生的色散(尤其是色度色散),从而减小脉冲展宽、降低码间串扰,提升长距离高速传输的信号质量。(在工程中也常简称 DCF。)

发音 Pronunciation

/dspn kmpnset fabr/

例句 Examples

Dispersion-compensating fiber can reduce pulse broadening in long-haul links.
色散补偿光纤可以减少长距离链路中的脉冲展宽。

By inserting dispersion-compensating fiber modules at regular spans, the network offsets accumulated chromatic dispersion and maintains acceptable performance at higher bit rates.
通过在每段距离后周期性插入色散补偿光纤模块,网络能够抵消累积的色度色散,并在更高比特率下保持可接受的性能。

词源 Etymology

  • dispersion(色散)源自拉丁语 dispersio,意为“分散、散开”,在光学/信中指不同波长(或频率)的信号传播速度不同而导致的展宽。
  • compensating(补偿)来自拉丁语 compensare,含“权衡、抵消”之意,强调用相反效应来抵消误差或损失。
  • fiber(纤维/光纤)来自拉丁语 fibra,意为“纤维”。合在一起即“用于补偿色散的光纤”。

相关词 Related Words

文献与作品 Literary Works

  • Optical Fiber Communications(Gerd Keiser)在色散与系统设计章节中讨论DCF/色散补偿方案。
  • Fiber-Optic Communication Systems(Govind P. Agrawal)在高速长距传输与色散管理部分涉及dispersion-compensating fiber。
  • 期刊论文与综述(如 Journal of Lightwave TechnologyIEEE Photonics Technology Letters)常以“dispersion-compensating fiber (DCF)”讨论WDM系统中的色散补偿与链路优化。
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