V2EX exahertz

Exahertz

释义 Definition

exahertz(EHz)艾赫兹,频率单位,等于 10 赫兹(每秒 10 次)。常用于描述极高频的电磁波或振荡(例如部分光学/极紫外相关的频率量级)。(也可能在不同语境中出现更专业的用法,但核心含义是 10 Hz 的频率量级。)

发音 Pronunciation (IPA)

/ekshrts/

例句 Examples

The laser’s frequency can reach the exahertz range.
这束激光的频率可以达到艾赫兹量级。

In ultrafast spectroscopy, researchers infer exahertz-scale oscillations from how matter responds to extremely short light pulses.
在超快光谱学中,研究人员会通过物质对极短光脉冲的响应来推断艾赫兹量级的振荡。

词源 Etymology

由 **SI 前缀 exa-**(表示 10,源自希腊语 hexa- “六”,与“10 的六次方”相关)+ hertz(赫兹,纪念德国物理学家 Heinrich Hertz,用作频率单位)组成,因此 exahertz = 10 Hz

相关词 Related Words

文学与作品 Literary & Works

该词属于高度技术性单位词,更多出现在科研与工程写作而非小说等文学作品中,常见于以下类型的著作与出版物(尤其在光学频率、超快科学、计量学语境):

  • Ultrafast Optics(超快光学领域教材/专著中常涉及接近或跨越 EHz 的光学频率量级表述)
  • Principles of Lasers(激光原理相关书籍中常以数量级方式讨论光学频率,可能涉及 EHz 量级)
  • IEEE/OSA(现 Optica)旗下期刊与会议论文(如光子学、超快光谱、频率计量相关论文中常见该单位或量级表述)
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