META 2021, META'12

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Surface plasmon in a nanosphere near to a semi-infinite medium
Patricio Ramírez-Rodríguez, Raúl García-Llamas

Last modified: 2011-12-15


The Surface Plasmons excitation in spheres near to a semi-infinite medium is studied theoretically. The fields in each medium were expanded in multipolar expansion, and their coefficients were found by using the boundary conditions. Due to the presence of the plane there is not spherical symmetry and the vector addition theorem is used to evaluate the boundary condition at the semi-infinite medium, as a consequence, a matrix equation for the unknown coefficients is obtained. Numerical results for the problem will be presented.