V2EX huygens principle

Huygens Principle

定义 Definition

惠更斯原理:在波动理论中,用来描述波前传播的基本原理波前上的每一点都可看作产生“次级波”(球面波/圆波)的波源,经过同一时刻这些次级波的包络面构成新的波前。常用于解释反射、折射、衍射等现象。(在电磁波情形常与“惠更斯菲涅耳原理”一起讨论。)

发音 Pronunciation (IPA)

/hanz prnspl/

例句 Examples

Huygens principle explains how waves move forward.
惠更斯原理解释了波如何向前传播。

Using Huygens principle, we can derive the law of refraction by constructing new wavefronts in two media with different wave speeds.
利用惠更斯原理,我们可以通过在两种波速不同的介质中构造新波前来推导折射定律。

词源 Etymology

“Huygens” 来自17世纪荷兰科学家 Christiaan Huygens(克里斯蒂安惠更斯) 的姓氏;他在光的波动观点与波前传播的描述中提出了这一构想。“principle”源自拉丁语 principium,意为“起始、基本原则”。该原理后来在菲涅耳等人的发展下,与干涉/衍射的解释更紧密结合。

相关词 Related Words

文学与名著用例 Literary Works

  • Traité de la lumière(《光论》) Christiaan Huygens:提出并阐述波前与次级波思想的经典著作。
  • Principles of Optics(《光学原理》) Max Born & Emil Wolf:在现代光学框架中系统使用惠更斯(菲涅耳)思想讨论衍射与成像。
  • The Feynman Lectures on Physics(《费曼物理学讲义》):在波与光学相关章节中以直观方式介绍波前传播观念。
  • Optics(《光学》) Eugene Hecht:教材中常用惠更斯原理解释反射、折射与波前构造法。
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