V2EX nonlinear optics

Nonlinear Optics

定义 Definition

非线性光学:研究在强光场作用下,材料对光的响应不再与光强成正比(不再“线性”)的光学分支,因此会出现频率转换强度相关折射率等现象,如二次谐波产生(倍频)、和频/差频、光学克尔效应等。(在更宽泛语境中,optics 也可指“光学器件/光学系统”,但此处以学科含义为主。)

发音 Pronunciation (IPA)

/nnlnir ptks/(英式)
/nnlnir ptks/(美式)

词源 Etymology

nonlinearnon-(“非、不”)+ linear(“线性的”)构成;optics 源自希腊语 optikē(“关于视觉/光的”)。组合起来字面意思是“非线性的光学”,最常用于描述激光发展后(强光源出现)才系统兴起的研究领域。

例句 Examples

Nonlinear optics studies how intense light changes a material’s behavior.
非线性光学研究强光如何改变材料的响应方式。

In nonlinear optics, a crystal can convert a laser beam into new colors through second-harmonic generation.
非线性光学中,晶体可以通过二次谐波产生把激光转换成新的颜色。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Robert W. Boyd, Nonlinear Optics(经典教材,系统介绍非线性光学理论与实验现象)
  • Y. R. Shen, The Principles of Nonlinear Optics(奠基性著作之一,覆盖倍频、和频、受激散射等核心主题)
  • Amnon Yariv, Quantum Electronics(包含激光与非线性过程的关键内容,在光电子学课程中常被引用)
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