Abstract

The frequency selective medium (FSM), which has frequency selective properties in the UV spectrum, is proposed and studied in nanoscale. Numerical study based on Mie scattering and multipole moment theory indicates that, benefiting from multipole and plasmonic resonance, the extinction line shape of spherical core/shell nanoparticles can be adjusted through the size parameters, and thus can be tailored to what is required by the FSM. Using spherical core/shell nanoparticles, four kinds of FSMs are designed, which have double, triple, quadruple, or quintuple extinction bands, respectively. This study will open up a new method for applications of nanomaterials, and may attract more interest in the design and fabrication of FSMs with the development of nanofabrication and increasing demands in fields of optics and material.

© 2015 Optical Society of America

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