V2EX supercontinuum

Supercontinuum

定义 Definition

supercontinuum(超连续谱):在非线性介质(常见为光纤)中,窄带激光脉冲经过非线性效应后被显著展宽,形成覆盖很宽波长范围的宽带连续光谱。常用于光谱学、频率梳、超快光学与精密测量等领域。

发音 Pronunciation

/suprkntnjum/

词源 Etymology

由 **super-**(“超、极其”)+ continuum(“连续体、连续谱”)构成。字面意思是“超越普通范围的连续谱”,用来强调光谱展宽后呈现出跨越极宽波段、近似连续的特征。

例句 Examples

A supercontinuum can cover hundreds of nanometers of bandwidth.
超连续谱可以覆盖数百纳米的带宽。

In a photonic crystal fiber, femtosecond pulses can generate a supercontinuum through nonlinear effects such as self-phase modulation and soliton dynamics.
在光子晶体光纤中,飞秒脉冲可通过自相位调制、孤子动力学等非线性效应产生超连续谱。

相关词 Related Words

文学与典籍 Literary Works

  • Nonlinear Fiber Optics(Govind P. Agrawal)非线性光纤光学的经典教材,讨论超连续谱相关机理与应用背景。
  • Supercontinuum Generation in Optical Fibers(J. M. Dudley, G. Genty, S. Coen)专门综述/专著性质的代表性作品,系统介绍超连续谱产生与实验实现。
  • Nature Photonics 等期刊中的超快光学与光纤非线性论文“supercontinuum”常用于描述宽带光源与频率计量应用。
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