Abstract

There exist in a material a wide range of linear optical responses to external electromagnetic fields beyond the electric dipole process. These responses reveal more detailed information on properties of the material through their corrections to the zeroth-order dielectric tensor. These corrections introduce small yet distinguishable modifications to reflection and transmission. I here describe a perturbation method for computing these modifications. The method simplifies the computation of optical reflection and transmission that include first-order contributions from processes such as magneto-optic effects, electro-optic effects, surface and ultrathin films, electric quadrupole effects, photoelastic effects, and effects of meta-materials.

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