V2EX blue detuning

Blue Detuning

定义 Definition

blue detuning:在物理(尤其是原子/激光物理与光学)中指“蓝失谐/蓝侧失谐”光(或驱动场)的频率高于某个共振频率(相对共振“偏高”);与 red detuning(红失谐)相对。该术语也可在音频/合成器语境里被借用来形容“向上偏移的失谐感”,但最常见用法在光学与量子物理中。

发音 Pronunciation (IPA)

/blu ditun/

词源 Etymology

blue 原指颜色“蓝色”,在光学里常与“更短波长/更高频率”的方向相关联(相对于红光)。detuning 来自动词 detune(de- 表“偏离/去除” + tune 表“调谐/调到某频率”),意为“使偏离调谐点/共振点”。合起来 blue detuning 就是“向高频一侧的失谐”。

例句 Examples

The laser is set with a small blue detuning.
激光被设定为一个很小的蓝失谐量。

Blue detuning can change the optical forces on atoms and significantly affect the stability of a trapping or cooling setup.
蓝失谐会改变原子所受的光学力,并显著影响俘获或冷却装置的稳定性。

相关词 RelatedWords

文献与著作 Literary Works

  • Laser Cooling and Trapping(Harold J. Metcalf & Peter van der Straten)讨论红/蓝失谐在激光冷却与原子俘获中的作用。
  • Optical Coherence and Quantum Optics(Leonard Mandel & Emil Wolf)在光与原子相互作用的理论框架中涉及失谐(detuning)概念。
  • Quantum Optics(Marlan O. Scully & M. Suhail Zubairy)在量子光学模型中频繁使用(红/蓝)失谐来描述驱动场与跃迁频率的偏差。
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