Abstract

In this paper we investigate how the color of a pigmented polymer is affected by reduction of the reflectance at the air–polymer interface. Both theoretical and experimental investigations show modified diffuse-direct reflectance spectra when the reflectance of the surface is lowered. Specifically it is found that the color change is manifested as an increase in chroma, leading to a clearer color experience. The experimental implementation is done using random tapered surface structures replicated in polymer from silicon masters using hot embossing.

© 2013 Optical Society of America

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