V2EX acousto-optic effect

Acousto-optic Effect

释义 Definition

声光效应:指声波在介质中传播时引起折射率周期性变化(相当于形成“动态光栅”),从而使通过的光发生衍射、偏转、频移或强度调制的一类光声相互作用现象。常用于声光调制器(AOM)、声光偏转器、可调滤波器等器件中。

发音 Pronunciation (IPA)

/kusto ptk fkt/

例句 Examples

The acousto-optic effect can shift a laser beam’s frequency.
声光效应可以使激光束的频率发生偏移。

By driving the crystal with an RF signal, the acousto-optic effect creates a tunable diffraction grating that steers and modulates the light.
通过用射频信号驱动晶体,声光效应会产生一个可调的衍射光栅,从而实现对光的偏转与调制。

词源 Etymology

acousto- 来自 acoustic(声学的),源头与希腊语中“听”的词根相关;optic 来自 optics(光学的),与希腊语中“看”的词根相关;effect 表示“效应/现象”。合起来字面意思就是“由声音引起的光学效应”,用于描述声波对光传播特性的可控影响。

相关词 Related Word

文献与作品 Literary / Notable Works

  • Fundamentals of Photonics(Saleh & Teich)
  • Photonics: Optical Electronics in Modern Communications(Amnon Yariv & Pochi Yeh)
  • Optics(Eugene Hecht)
  • Handbook of Optical Engineering(Daniel Malacara 等,相关章节常讨论声光器件与声光效应)
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