Refractive Index & Plasmon Resonance

How a thin film's optical response near a surface shifts detectably as mass accumulates there.

References

• Kretschmann, E., Raether, H. "Radiative Decay of Non-Radiative Surface Plasmons Excited by Light." Zeitschrift für Naturforschung A 23, no. 12 (1968): 2135–2136.