Enhancing the chroma of pigmented polymers using antireflective surface structures

Jeppe Sandvik Clausen, Alexander Bruun Christiansen, Anders Kristensen, N. Asger Mortensen

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    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.
    Original languageEnglish
    JournalApplied Optics
    Volume52
    Issue number32
    Pages (from-to)7832-7837
    ISSN1559-128X
    DOIs
    Publication statusPublished - 2013

    Bibliographical note

    This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/abstract.cfm?uri=ao-52-32-7832. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

    Keywords

    • Reflection
    • Surface structure
    • Polymers

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