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Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VII
The optical properties of cascaded plasmon resonant metallic nanocomposites are investigated. Plasmon resonances and their related field distributions are numerically evaluated in two-dimensional arrays of spherical silver nanoparticles embedded in a dielectric host. The field distributions in structures with identical particle sizes indicate the presence of a largely dipolar particle response, with a small multipole resonance contribution at high frequency. However, in arrays consisting ofdoi:10.1117/12.884045 fatcat:mlb3dehmejeifnhaoxggerbme4