Extinction and scattering of metallic nanoparticles in ordered and random arrays

Christopher P. Burrows; William L. Barnes

doi:10.1117/12.860956

10 September 2010 Extinction and scattering of metallic nanoparticles in ordered and random arrays

Christopher P. Burrows, William L. Barnes

Proceedings Volume 7757, Plasmonics: Metallic Nanostructures and Their Optical Properties VIII; 77572I (2010) https://doi.org/10.1117/12.860956
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

Abstract

Here we investigate the interaction of metallic nanoparticles which support localized surface plasmon resonances (LSPR). We use dark-field spectroscopy and normal-incidence transmission spectroscopy to investigate the scattering and extinction of metallic nanoparticles on their own and in both ordered and random arrays. We compare experimental results with theory based on the coupled dipole approximation (CDA) and the finite-element method (FEM). CDA is used to demonstrate the ability to indirectly measure the extinction of an individual particle by considering a sparse, disordered, finite array of particles.

Citation Download Citation

Christopher P. Burrows and William L. Barnes "Extinction and scattering of metallic nanoparticles in ordered and random arrays", Proc. SPIE 7757, Plasmonics: Metallic Nanostructures and Their Optical Properties VIII, 77572I (10 September 2010); https://doi.org/10.1117/12.860956

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