V2EX elliptically polarized

Elliptically Polarized

释义 Definition

椭圆偏振的:指电磁波(常见为光)的电场矢量在传播方向垂直的平面内随时间变化,端点轨迹为椭圆的一种偏振状态。它是线偏振圆偏振之间的更一般情形。(在某些语境下也可指“以椭圆偏振状态存在/被偏振”的光或波。)

发音 Pronunciation (IPA)

/lptkli polrazd/

例句 Examples

Elliptically polarized light can be made with a quarter-wave plate.
椭圆偏振光可以用四分之一波片制备出来。

In an anisotropic medium, a linearly polarized wave may become elliptically polarized due to different phase velocities along orthogonal axes.
在各向异性介质中,线偏振波可能因正交方向相速度不同而产生相位差,从而变成椭圆偏振。

词源 Etymology

elliptically 来自 elliptic/elliptical(“椭圆的”),源于希腊语 elleipsis(“缺省、椭圆”之意,后用于几何“椭圆”概念);加副词后缀 -ly 表示“以……方式”。
polarized 来自 polarize(“使偏振”),由 polar(“极的、两极的”)发展而来,在物理学中表示波的振动方向(或电场方向)呈现特定取向或轨迹。

相关词 Related Words

文学与名著用例 Literary & Notable Works

  • Principles of Optics(Born & Wolf):在偏振光与椭圆偏振的理论描述(如琼斯矢量/椭圆率)中频繁出现该术语。
  • Optics(Eugene Hecht):讲解偏振、波片与椭圆偏振态的形成与测量时使用。
  • Classical Electrodynamics(J. D. Jackson):在电磁波与偏振态的严谨表述中出现相关表述。
  • The Feynman Lectures on Physics(费曼物理学讲义):讨论光的偏振与一般偏振态时涉及椭圆偏振概念。
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