V2EX paraxial optics

Paraxial Optics

Definition / 定义

旁轴光学:研究光线在接近光轴、与光轴夹角很小(小角度)时的传播与成像规律的光学近似理论。常用于简化透镜、光学系统的成像计算(也常称为高斯光学的一部分)。另有更广义的“旁轴近似”用法。

Pronunciation / 发音

/prksil ptks/

Examples / 例句

Paraxial optics makes lens calculations much simpler.
旁轴光学会让透镜计算变得简单得多。

Using paraxial optics, we can predict the image position and magnification before accounting for aberrations.
利用旁轴光学,我们可以在考虑像差之前先预测成像位置和放大率。

Etymology / 词源

paraxial 由 *para-*(“旁、近旁”)+ axial(“轴的、沿轴的”)构成,字面意思是“靠近光轴的”。optics 源自希腊语 optikē(与“视觉、看见”相关),后进入拉丁语与英语,指“光学”。

Related Words / 相关词汇

Literary Works / 文学作品

  • Principles of Optics Max Born & Emil Wolf(经典光学教材,系统讨论旁轴理论与成像)
  • Optics Eugene Hecht(本科常用教材,含旁轴近似与成像公式)
  • Fundamentals of Optics F. A. Jenkins & H. E. White(包含旁轴光学与透镜/光学仪器分析)
  • Lasers Anthony E. Siegman(在激光谐振腔与高斯光束推导中大量使用旁轴近似/旁轴光学框架)
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