V2EX mie-scattering

Mie Scattering

定义 Definition

Mie scattering(米氏散射)指当粒子尺寸与入射光波长相当时发生的光散射现象(常见于水滴、气溶胶、尘埃等)。它通常表现为散射对波长的依赖不像瑞利散射那样强,并且在较大粒子情况下常呈现更明显的前向散射。该术语也常用于描述云、雾、烟霾中光的传播与颜色/能见度变化。(此词在更广义上也可指对球形粒子散射的经典理论框架。)

发音 Pronunciation (IPA)

/mi sktr/

例句 Examples

Mie scattering makes fog look bright and white.
米氏散射会让雾看起来明亮而发白。

In atmospheric optics, Mie scattering by aerosols can reduce visibility and alter the color of the sky, especially near the horizon.
在大气光学中,气溶胶引起的米氏散射会降低能见度,并改变天空的颜色,尤其是在接近地平线时更明显。

词源 Etymology

Mie来自德国物理学家Gustav Mie(古斯塔夫米)的姓氏;他在1908年前后提出并发展了对球形粒子电磁散射的理论解法,因此这种散射机制以其姓氏命名。scattering源自英语动词 scatter(使分散、散开),在物理语境中指“(波、光等)散射”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Light Scattering by Small Particles(H. C. van de Hulst)系统讨论米氏散射与小粒子散射理论的经典专著。
  • Absorption and Scattering of Light by Small Particles(Craig F. Bohren & Donald R. Huffman)光的吸收与散射(含米氏散射)领域常用参考书。
  • Principles of Optics(Max Born & Emil Wolf)光学经典教材中涉及散射理论与相关背景。
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