V2EX ultrafast optics

Ultrafast Optics

定义 Definition

“超快光学”:研究极短时间尺度(通常在皮秒 ps 到飞秒 fs 甚至阿秒 as)内的光脉冲的产生、传播与测量的光学分支。常用于超快激光、时间分辨光谱、非线性光学与超高速光通信等领域。

发音 Pronunciation (IPA)

/ltrfst ptks/

例句 Examples

Ultrafast optics helps scientists watch chemical reactions in real time.
超快光学帮助科学家实时观察化学反应的发生过程。

Using ultrafast optics and pumpprobe spectroscopy, researchers can resolve carrier dynamics in semiconductors on femtosecond timescales.
借助超快光学与泵浦-探测光谱技术,研究人员可以在飞秒时间尺度上解析半导体中的载流子动力学。

词源 Etymology

ultrafast 由 *ultra-*(“超、极其”)+ fast(“快”)构成,表示“超出通常速度/时间尺度的”。optics 源自希腊语 optikē,与“视觉/光学”相关。合起来的术语主要在20世纪后期随锁模激光飞秒脉冲技术发展而广泛使用。

相关词 Related Wrds

文学与著作中的用例 Literary Works

  • Ultrafast Optics(Andrew M. Weiner)经典教材,系统介绍超快脉冲整形与测量等内容。
  • Femtosecond Laser Pulses: Principles and Experiments(Claude Rullière, ed.)涵盖飞秒激光脉冲的实验方法与物理基础。
  • Principles of Nonlinear Optics(Y. R. Shen)非线性光学名著,超快光学中的许多效应与方法常以此为理论基础。
  • Ultrashort Laser Pulse Phenomena(Jean-Claude Diels, Wolfgang Rudolph)聚焦超短脉冲的产生、传播与诊断技术。
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