Encyclopedia of Color Science and Technology

Living Edition
| Editors: Ronnier Luo

Surface Plasmons

  • Li-Lin Tay
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27851-8_189-1



Surface plasmons are collective excitations of conduction electrons at the interface between a metal and dielectric that are stimulated by electromagnetic radiation.

A surface plasmon polariton (SPP) occurs when surface plasmons interact strongly with electromagnetic radiation.

Surface plasmon resonance (SPR) is another synonym for SPP and refers to the coherent (resonant) oscillation of the surface conduction electrons excited by electromagnetic radiation.

A localized surface plasmon resonance (LSPR) is a nonpropagating SPP confined to nanostructured surfaces.

The term plasmonics is often used to cover the various phenomena sustained by SPP and SPR types of light-matter interactions.


The electron charge density and its electromagnetic fields propagate as a surface wave along a metal–dielectric interface. The electromagnetic field intensity decays exponentially away from the interface....


Surface Plasmon Resonance Localize Surface Plasmon Resonance Surface Plasmon Polariton Metal Nanostructures Surface Plasmon Resonance Sensor 
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© Her Majesty the Queen in Right of Canada 2015

Authors and Affiliations

  1. 1.Measurement Science and StandardsNational Research Council CanadaOttawaCanada