V2EX acousto-optic modulator

Acousto-Optic Modulator

释义 Definition

声光调制器(AOM):一种利用声波在透明介质中形成周期性的折射率变化(相当于“移动的光栅”),从而对入射光进行衍射与控制的器件。常用于对激光进行强度调制光束偏转以及频率移位(移频)等。(该术语也可泛指声光效应相关的调制/偏转器件。)

发音 Pronunciation (IPA)

/kusto ptk mdjletr/

例句 Examples

The laser passes through an acousto-optic modulator to control its intensity.
激光通过声光调制器来控制其强度。

By driving the acousto-optic modulator with a stable RF signal, the system shifts the laser frequency and enables precise optical switching in the interferometer.
通过用稳定的射频信号驱动声光调制器,系统实现对激光的移频,并在干涉仪中实现精密的光学开关控制。

词源 Etymology

acousto- 来自 acoustic(“声学的”),词根源于希腊语 akoustikos(“听觉/声音有关的”);optic 来自希腊语 optikos(“视觉/光学的”);modulator 来自拉丁语 modulari(“按尺度/节奏调节”)。合起来字面义为“用声学效应对光进行调制的装置”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • 《Principles of Lasers》(Orazio Svelto):在激光器件章节中常讨论AOM用于调制与Q开关/门控等应用。
  • 《Photonics: Optical Electronics in Modern Communications》(Amnon Yariv & Pochi Yeh):介绍声光效应与声光器件在通信与实验系统中的用法。
  • 《Handbook of Optics》(McGraw-Hill 出版):在调制、偏转与光学器件条目中涉及声光调制器的原理与参数。
  • 《Laser Electronics》(Joseph T. Verdeyen):讲解激光实验中常见的AOM移频与快速开关应用。
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