Electromagnetic Mechanism of Surface‐Enhanced Spectroscopy

Abstract The sections in this article are Introduction Electromagnetic Mechanism of Surface‐Enhanced R aman Spectroscopy for Isolated Metal Particles A simple Model: Quasistatic Treatment of an Isolated Sphere Electrostatics of Isolated Spheroids Improvements to the Spheroid Model Electrodynamic Corrections Size‐Dependent Dielectric Constants Current Status of Theory/Experiment Comparisons Extensions of the Electromagnetic Model Effect of Adsorbed Layers on Intensities Nonlinear Surface Optical Processes Electromagnetic Mechanism for Many Coupled Particles and for Gratings Conclusions and Further Work Acknowledgments