Abstract
Iridescent colors of optical disks are caused by light diffraction from their surface microstructure. This paper proposes a diffractive illumination model for optical disks based on their physical structure and the superposition principle of light waves. This model includes contributions due to diffractive and non-diffractive factors. For the diffractive part, we first model the pit periodicity for optical disks by using identical spheres and then simplify their distribution by uniform groups of spheres. We also propose and prove the condition for highlights on illuminated grooved surfaces; this condition provides the non-diffractive contribution. The rendered images using this model achieve excellent agreement with photographs of real optical disks.
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© 2000 Springer-Verlag Wien
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Sun, Y., Fracchia, F.D., Drew, M.S., Calvert, T.W. (2000). Rendering Iridescent Colors of Optical Disks. In: Péroche, B., Rushmeier, H. (eds) Rendering Techniques 2000. EGSR 2000. Eurographics. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6303-0_31
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DOI: https://doi.org/10.1007/978-3-7091-6303-0_31
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