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FDTD++ includes a number of sophisticated material models that can be used to accurately describe the optical properties of any material, ranging from dielectrics and conductors to dispersive materials to even those exhibiting nonlocality[1][2]. Not only these provide accurate fits, but they also correctly describe the physics behind the optical responses. Note that all of the following links are directed toward an external website, since the material models are broadly-applicable, not specific to FDTD++.

Note also the materials database (on the same external website), which is a project to provide a standardized set of material models and/or fits for use in numerical simulations. The goal is to eventually provide the largest number of material models and fits to experimental data that can be found anywhere, that are also the most accurate.

Notes and references

  1. J. M. McMahon, S. K. Gray, and G. C. Schatz, "Nonlocal Optical Response of Metal Nanostructures with Arbitrary Shape," Phys. Rev. Lett. 103, 097403 (2009).
  2. J. M. McMahon, S. K. Gray, and G. C. Schatz, "Calculating nonlocal optical properties of structures with arbitrary shape," Phys. Rev. B 82, 035423 (2010).