V2EX wave plate

Wave Plate

定义 Definition

波片 / 相位延迟片:一种光学器件,利用材料的双折射使光在两个正交偏振方向上产生固定的相位差(延迟),从而改变光的偏振态(如把线偏振变为圆偏振或旋转偏振方向)。常见类型有半波片(half-wave plate)四分之一波片(quarter-wave plate)等。

发音 Pronunciation (IPA)

/wev plet/

例句 Examples

A wave plate can change linear polarization into circular polarization.
波片可以把线偏振光转换成圆偏振光。

In the interferometer, a wave plate was inserted to precisely control the phase retardation between orthogonal components of the beam.
在该干涉仪中加入了一片波片,用来精确控制光束正交分量之间的相位延迟。

词源 Etymology

wave platewave(波) + plate(薄片/板)构成,直译为“波的薄片”。名称强调它是一种“薄片状”的器件,用来对光波的不同偏振分量引入相位差;在光学里也常称为 retarder(延迟器)phase plate(相位片)

相关词 Related Words

文学与著作中的用例 Literary Works

  • Principles of Optics(Max Born & Emil Wolf)在偏振与双折射章节中讨论波片(retardation plates)的理论与应用。
  • Optics(Eugene Hecht)用入门到中级的方式介绍四分之一波片、半波片及偏振变换。
  • Introduction to Fourier Optics(Joseph W. Goodman)在偏振控制与实验系统描述中涉及波片等元件的使用。
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