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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 4 — Feb. 14, 2011
  • pp: 3144–3154

Ordering in stretch-tunable polymeric opal fibers

Chris E. Finlayson, Chris Goddard, Elpida Papachristodoulou, David R.E. Snoswell, Andreas Kontogeorgos, Peter Spahn, G.P. Hellmann, Ortwin Hess, and Jeremy J. Baumberg  »View Author Affiliations


Optics Express, Vol. 19, Issue 4, pp. 3144-3154 (2011)
http://dx.doi.org/10.1364/OE.19.003144


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Abstract

We demonstrate the production of high-quality polymer opal fibers in an industrially-scalable process. These fibers exhibit structural color, based on the self-assembly of sub-micron core-shell particles, with a spectrum which is stretch-tunable across the visible region. The internal substructure and ordering of fibers, as inferred from variations in spectral bandwidth, is studied using dark-field microscopy. We employ a granular model to examine flow and shear forces during the extrusion process, and the effects on particle ordering. In both theory and experiment, a concentric zone of the fiber near the exposed surface develops particularly strong structural color. Such elastically-tuned structurally colored fibers are of interest for many applications.

© 2011 OSA

OCIS Codes
(160.4670) Materials : Optical materials
(160.5470) Materials : Polymers
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: January 7, 2011
Manuscript Accepted: January 20, 2011
Published: February 2, 2011

Citation
Chris E. Finlayson, Chris Goddard, Elpida Papachristodoulou, David R.E. Snoswell, Andreas Kontogeorgos, Peter Spahn, G.P. Hellmann, Ortwin Hess, and Jeremy J. Baumberg, "Ordering in stretch-tunable polymeric opal fibers," Opt. Express 19, 3144-3154 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-4-3144


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