V2EX nonlinear crystal

Nonlinear Crystal

定义 Definition

非线性晶体:在强光(常为激光)作用下,其极化响应与电场强度不成线性比例的晶体材料,因此能产生或调制新的光学频率与效应(如倍频、和频、差频、光学参量放大/振荡等)。常用于非线性光学与激光技术中。(该词也可泛指用于各种非线性光学过程的晶体器件。)

发音 Pronunciation (IPA)

/nnlnir krstl/

例句 Examples

A nonlinear crystal can double the frequency of a laser beam.
非线性晶体可以把激光束的频率加倍(实现倍频)。

By rotating the nonlinear crystal to satisfy phase matching, the experiment produced stable second-harmonic light.
通过旋转非线性晶体以满足相位匹配,实验产生了稳定的二次谐波光。

词源 Etymology

nonlinear 由前缀 non-(“非、不”)+ linear(“线性的”)组成,表示“不按直线规律变化/不成正比”。crystal 源自希腊语 krstallos(意为“冰、晶体”),后在科学语境中指具有规则晶格结构的固体。“nonlinear crystal”因此直译为“具有非线性响应的晶体”,在光学中特指用于产非线性光学效应的晶体材料。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Nonlinear Optics(Robert W. Boyd)系统讲解非线性光学过程与非线性晶体的应用(如倍频与参量过程)。
  • Optical Waves in Crystals(Amnon Yariv & Pochi Yeh)讨论晶体中的光传播、双折射与与非线性相关的晶体光学内容。
  • Principles of Nonlinear Optical Spectroscopy(Shaul Mukamel)在非线性光谱学框架下涉及非线性介质/晶体的理论与实验语境。
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