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Proceedings Paper

Quantifying the saturation of structural color from thin film polymeric photonic crystals
Author(s): Giselle Rosetta; Mike Butters; John J. Tomes; Jay Little; Matt D. Gunn; Chris E. Finlayson
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Paper Abstract

A range of color quantification methods are developed and applied to characterize the structural color of thin film photonic crystals known as polymer opals. Order is progressively induced within these engineered nanostructures, and three-dimensional reflectivity measurements allow for the ‘scattering cone’ to be located and analyzed. Reported are observations that demonstrate how the chromatic properties of resultant structural color change as functions of both viewing angle and sample ordering. These measurements are mapped to a CIE 1931 color space, from which chromaticity metrics are readily extracted. The hue of structural coloration is shown to tune towards longer wavelengths by progressively improved structural order, and an improvement in color saturation can be observed as order is induced. In understanding how structural color can be quantified and manipulated, large-area photonic structures have potential for application as coatings and sensors, as well as smart fabrics and many other optical devices.

Paper Details

Date Published: 26 February 2020
PDF: 7 pages
Proc. SPIE 11289, Photonic and Phononic Properties of Engineered Nanostructures X, 112890B (26 February 2020); doi: 10.1117/12.2544198
Show Author Affiliations
Giselle Rosetta, Prifysgol Aberystwyth Univ. (United Kingdom)
Mike Butters, Varichem Co., Ltd. (United Kingdom)
John J. Tomes, Prifysgol Aberystwyth Univ. (United Kingdom)
Jay Little, Prifysgol Aberystwyth Univ. (United Kingdom)
Matt D. Gunn, Prifysgol Aberystwyth Univ. (United Kingdom)
Chris E. Finlayson, Prifysgol Aberystwyth Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 11289:
Photonic and Phononic Properties of Engineered Nanostructures X
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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