V2EX geometric optics

Geometric Optics

定义 Definition

几何光学:把光当作沿直线传播的“光线”来研究成像与光路的光学分支,常用于分析反射、折射、透镜与镜子成像等问题;适用于波动效应(如衍射、干涉)可忽略的情形。(也常称 ray optics / geometrical optics

发音 Pronunciation (IPA)

/dimtrk ptks/

例句 Examples

Geometric optics explains how a lens forms an image.
几何光学解释了透镜如何形成像。

In geometric optics, we trace rays through multiple surfaces to estimate the final image position and magnification.
在几何光学中,我们追踪光线穿过多个光学表面,以估算最终像的位置与放大率。

词源 Etymology

geometric 来自希腊语 geōmetria(“测量土地”,引申为“几何学”);optics 来自希腊语 optikē(“关于视觉/看见的学问”)。合起来的 geometric optics 字面意思是“用几何方法研究光的光学”,强调用直线光线与几何关系来描述光的传播与成像。

相关词 Related Words

文学与经典著作 Literary Works

  • Opticks Isaac Newton(《光学》):以光线与成像等内容为重要讨论对象,与几何光学思想密切相关。
  • Principles of Optics Max Born & Emil Wolf(《光学原理》):包含几何光学与更广泛的物理光学框架。
  • Optics Eugene Hecht(《光学》):教材中专门讲解几何光学、薄透镜成像与光线追迹。
  • The Feynman Lectures on Physics, Vol. I Richard P. Feynman et al.(《费曼物理学讲义》第一卷):在讲解光与成像时涉及几何光学式的光线描述。
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