Abstract
Difraction and interference are optical phenomena which split light into its component wavelengths, hence producing a full spectrum of iridescent colors. This paper develops computer graphics models for iridescent colors produced by diffractive media. Diffraction gratings, certain animal skins and the crystal structure of some precious stones are known to produce diffraction. Several techniques can be employed to derive solutions to the diffraction problem including: (1)Electromagnetic boundary value methods (2)Applying the Huygens-Fresnel principle (3)Applying the Kirchoff-Fresnel theorem (4)Fourier optics. Previous work in developing diffraction models for computer graphics has used boundary value methods and Fourier optics but no models using Huygens-Fresnel principle have been published. This paper derives a set of diffraction solutions based on the Huygens-Fresnel principle, which are then used to extend well-known illumination models. We then use our new models to render images in a ray tracer.
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© 2003 Springer-Verlag Berlin Heidelberg
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Agu, E., Hill, F.S. (2003). A Simple Method for Ray Tracing Diffraction. In: Kumar, V., Gavrilova, M.L., Tan, C.J.K., L’Ecuyer, P. (eds) Computational Science and Its Applications — ICCSA 2003. ICCSA 2003. Lecture Notes in Computer Science, vol 2669. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44842-X_35
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DOI: https://doi.org/10.1007/3-540-44842-X_35
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