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A. Musbach, G. W. Meyer, F. Reitich and S. H. Oh Full Wave Modelling of Light Propagation and Reflection Computer Graphics Forum 32

Version of Record online: 4 FEB 2013 | DOI: 10.1111/cgf.12012

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The propagation and reflection of electromagnetic waves in a three-dimensional environment is simulated, and realistic images are produced using the resulting light distributions and reflectance functions. A finite difference time domain method is employed to advance the electric and magnetic fields in a scene. Surfaces containing wavelength scaled structures are created, the interaction of the electromagnetic waves with these nano-structured materials is calculated, and the sub-surface interference and diffraction effects are modeled. The result is a reflectance function with wavelength composition and spatial distribution properties that could not have been predicted using classic computer graphic ray tracing approaches.

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