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单词 plasmon
释义

Definition of plasmon in English:

plasmon

noun ˈplazmɒnˈplazˌmän
Physics
  • A quantum or quasiparticle associated with a local collective oscillation of charge density.

    〔物理〕等离体子,等离子体激元

    Example sentencesExamples
    • The surface plasmons then decay into photons, which are emitted from the surface.
    • At each groove, plasmons scatter and radiate some light, while some plasmon energy remains to travel to the next groove.
    • It is based upon the coupling of plasmons (charge density oscillations) excited by light in thin metal films, with waveguide modes in a dielectric layer overcoating the metal film.
    • According to their calculations, when light shines on the largest sphere, it sets up a surface plasmon - a wave of vibrating electrons on the surface of the sphere - that creates an oscillating electric field.
    • When light strikes a metallic material, waves of electrons, called plasmons, are generated.

Origin

1950s: from plasma + -on.

Definition of plasmon in US English:

plasmon

nounˈplazˌmän
Physics
  • A quantum or quasiparticle associated with a local collective oscillation of charge density.

    〔物理〕等离体子,等离子体激元

    Example sentencesExamples
    • At each groove, plasmons scatter and radiate some light, while some plasmon energy remains to travel to the next groove.
    • When light strikes a metallic material, waves of electrons, called plasmons, are generated.
    • The surface plasmons then decay into photons, which are emitted from the surface.
    • According to their calculations, when light shines on the largest sphere, it sets up a surface plasmon - a wave of vibrating electrons on the surface of the sphere - that creates an oscillating electric field.
    • It is based upon the coupling of plasmons (charge density oscillations) excited by light in thin metal films, with waveguide modes in a dielectric layer overcoating the metal film.

Origin

1950s: from plasma + -on.

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更新时间:2025/7/4 5:33:34