Nonlocal hydrodynamic Drude model overcomes the limitations of the conventional Drude model in describing light-matter interactions in nanoplasmonic structures. Here we present a weak formulation based rigorous numerical method for it, which avoids spurious resonances as in the case of the curl-free approximation setting. The simulated results agree with Mie results, and the method is capable of handling arbitrarily shaped scatterers.

© 2014 Optical Society of America

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