V2EX quantum efficiency

Quantum Efficiency

释义 Definition(中文)

量子效率:衡量器件把“入射的光子/粒子”转化为“可测输出信号”(如电子、光、电流等)的效率指标。常见于光电探测器、太阳能电池、发光材料等领域;有时区分外量子效率(EQE)内量子效率(IQE)。(在不同学科中也可有更具体的定义口径。)

发音 Pronunciation(IPA)

/kwntm fnsi/

例句 Examples

The sensor has a high quantum efficiency in low light.
这种传感器在弱光下具有很高的量子效率。

By improving the anti-reflection coating, the device’s quantum efficiency increased across the visible spectrum.
通过改进减反射涂层,该器件在整个可见光波段的量子效率都提高了。

词源 Etymology(中文)

quantum 源自拉丁语 quantum(“多少、数量”),在物理学中指“最小离散量”的概念;efficiency 源自拉丁语 efficere(“完成、产生效果”),表示“效率/有效性”。合在一起,quantum efficiency 字面意为“以量子(如光子)为单位衡量的效率”,强调“每个入射量子能产生多少有效输出”。

相关词 Related Words

文学与著作 Literary Works(出现语境示例)

  • Optics(Eugene Hecht)在光电探测与成像器件章节讨论探测器量子效率
  • Quantum Optics(Scully & Zubairy)在光子探测与实验相关部分涉及量子效率概念
  • Semiconductor Optoelectronic Devices(Pallab Bhattacharya)在LED/激光器与探测器性能指标中使用量子效率
  • Handbook of CCD Astronomy(Steve B. Howell)在CCD/天文成像探测器性能参数中频繁出现量子效率
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