V2EX excimer

Excimer

定义 Definition

excimer(激基复合物):由两个原子或分子在激发态短暂结合形成的复合体;在基态通常不稳定、不会长期存在。它常见于激基准分子(excimer laser,准分子激光)等光物理与激光技术中。(也有时用 exciplex 指“不同分子”形成的类似激发态复合体。)

发音 Pronunciation (IPA)

/ksmr/

例句 Examples

Excimers emit light when they fall back to a lower energy state.
激基复合物在回到较低能量状态时会发光。

The excimer laser, widely used in eye surgery, relies on short-lived excimers formed under high-energy excitation to produce ultraviolet pulses.
广泛用于眼科手术的准分子激光,依赖在高能激发下形成的短寿命激基复合物来产生紫外脉冲。

词源 Etymology

excimer 来自 excited(激发的)+ dimer(二聚体),字面意思是“激发态的二聚体”。该术语用于描述一种在激发态才能稳定存在、并在辐射跃迁时释放光子的短暂结合体。

相关词 Related Words

文学与著名作品用例 Literary & Notable Works

  • 《Principles of Lasers》(Orazio Svelto):在激光介质章节中讨论准分子/激基复合物相关机理与应用。
  • 《Laser Fundamentals》(William T. Silfvast):介绍准分子激光的物理基础与典型工作气体体系。
  • The Journal of Chemical Physics(《化学物理杂志》)Applied Physics Letters(《应用物理快报》) 等期刊论文:常用于描述稀有气体卤化物体系与激发态复合物的发光与动力学过程。
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