V2EX kerr-effect

Kerr Effect

释义 Definition

克尔效应:指某些介质在强电场(或强光场)作用下,折射率随电场强度改变的现象,常表现为材料产生双折射或出现非线性折射率。在非线性光学中常特指“光强引起折射率变化”的光学克尔效应。(在不同语境下也可指“电场引起双折射”的电光克尔效应。)

发音 Pronunciation (IPA)

/kr fekt/

例句 Examples

The Kerr effect can change a material’s refractive index.
克尔效应会改变材料的折射率。

In fiber optics, the Kerr effect may cause self-phase modulation, broadening an ultrashort pulse’s spectrum.
在光纤光学中,克尔效应可能导致自相位调制,使超短脉冲的光谱展宽。

词源 Etymology

Kerr”来自苏格兰物理学家约翰克尔(John Kerr),他在19世纪研究并报告了电场导致某些材料出现双折射的现象;“effect”意为“效应/现象”。因此 Kerr effect 直译为“克尔(所发现的)效应”。

相关词 Related Words

文学与著作 Literary Works

  • John Kerr(1875), “A New Relation between Electricity and Light: Dielectric Birefringence”(克尔最早发表相关现象的论文之一,常被视为命名来源)
  • Robert W. Boyd, Nonlinear Optics(经典非线性光学教材,系统讨论克尔非线性)
  • Y. R. Shen, The Principles of Nonlinear Optics(非线性光学权威著作,包含克尔效应相关推导与应用)
  • Govind P. Agrawal, Nonlinear Fiber Optics(非线性光纤领域经典教材,频繁涉及克尔效应导致的SPM/FWM等)
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