Quantifying the saturation of structural color from thin film polymeric photonic crystals

Giselle Rosetta, Mike Butters, John J. Tomes, Jay Little, Matt D. Gunn, Chris E. Finlayson

Research output: Chapter in Book/Report/Conference proceedingConference Proceeding (Non-Journal item)

5 Citations (SciVal)

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 ã€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.

Original languageEnglish
Title of host publicationPhotonic and Phononic Properties of Engineered Nanostructures X
EditorsAli Adibi, Shawn-Yu Lin, Axel Scherer
PublisherSPIE
ISBN (Electronic)9781510633414
DOIs
Publication statusPublished - 26 Feb 2020
EventPhotonic and Phononic Properties of Engineered Nanostructures X 2020 - San Francisco, United States of America
Duration: 03 Feb 202006 Feb 2020

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11289
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferencePhotonic and Phononic Properties of Engineered Nanostructures X 2020
Country/TerritoryUnited States of America
CitySan Francisco
Period03 Feb 202006 Feb 2020

Keywords

  • Chromaticity
  • Engineered nanostructures
  • Photonic crystals
  • Polymer engineering
  • Self-assembly
  • Structural color

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