V2EX kerr effect

Kerr Effect

释义 Definition

克尔效应:一种非线性光学现象,指某些材料在强电场(常见为强光场/激光)作用下,其折射率随电场强度(或光强)变化,从而引起相位变化、自聚焦自相位调制等效应。常见形式是光学克尔效应(折射率随光强变化)。

发音 Pronunciation

/kr fekt/

例句 Examples

The Kerr effect can change a material’s refractive index when the light is intense.
当光强很大时,克尔效应会改变材料的折射率。

In ultrafast optics, the Kerr effect is exploited to generate ultrashort pulses and to study nonlinear phase modulation in transparent media.
在超快光学中,人们利用克尔效应来产生超短脉冲,并研究透明介质中的非线性相位调制。

词源 Etymology

“Kerr”来自苏格兰物理学家John Kerr(约翰克尔)的姓氏,他在19世纪研究了电场作用下材料光学性质变化的现象;“effect”意为“效应”。因此“Kerr effect”直译为“克尔效应”,用于纪念其相关发现与研究。

相关词 Related Words

文学作品与著名出处 Literary Works

  • Robert W. Boyd,《Nonlinear Optics》:在非线性折射率与光学克尔效应章节中系统讲解其机理与应用。
  • Y. R. Shen,《The Principles of Nonlinear Optics》:以经典教材方式讨论克尔效应与相关非线性过程。
  • John Kerr(19世纪原始论文与报告):最早描述与实验研究电场/光场引起的折射率变化(克尔相关现象)的文献来源之一。
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