Controlled optical response of metallo-dielectric interfaces through the use of nanoparticles

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Coatings serve a number of different functions and find application in a variety of fields. In this study, we propose to develop metal nanoparticulate coatings to be applied to the surface of gemstones to enhance their visual appeal. This is to be achieved through the excitation of surface plasmons generated by incident light interacting with the metallo-dielectric interface resulting from the nanoparticle coating, leading to enhanced backscattering. The research study aims to use a plasma process to generate the nanoparticles and subsequently coat the gemstone. A variety of optical techniques and mechanical tests will be performed to characterise the performance and behaviour of the coatings. Computational studies complement the empirical investigations. While the focus of the research aligns with the core activities of out industrial partner, the potential exists that the scientific and technical fundamentals of the proposed project may be applied to a broad range of industrially-relevant ventures to Canada (for example, aerospace, telelcommunications, computational processing) with possible improvements to quality of life and general health, beneficial impact on the environment as well as increased financial rewards.