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Updated: Jun 22, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
Published on: January 3, 2016
Volume integral equation analysis of surface plasmon resonance of nanoparticles
Wei-Bin Ewe1, Hong-Son Chu, Er-Ping Li
1Advanced Electronics and Electromagnetics Programme. A*STAR Institute of High Performance Computing, Singapore Science Park II, Singapore 117528, Singapore. ewewb@ihpc.a-star.edu.sg
Abstract:
The interactions between electromagnetic field and arbitrarily shaped metallic nanoparticles are numerically investigated. The scattering and near field intensity of nanoparticles are characterized by using volume integral equation which is formulated by considering the total electric field, i.e. the sum of incident fields and radiated fields by equivalent electric volume currents, within the scatterers. The resultant volume integral equation is then discretized using divergence-conforming vector basis functions and is subsequently solved numerically. Numerical examples are presented to demonstrate the application of volume integral equation to capture and analyze the surface plasmon resonance of arbitrarily shaped metallic nanoparticles. The effects of illumination angles and background media to the surface plasmon resonance are also investigated. The results show that our proposed method is particularly useful and accurate in characterizing the surface plasmon properties of metallic nanoparticles.
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