Multicolor Pattern Generation in Photonic Bandgap Composites

Multicolor Pattern Generation in Photonic Bandgap Composites

The generation of complex, permanent, multicolor patterns in photonic bandgap films is demonstrated. The procedure allows for the overall spatial control of the reflected color on the surface of a photonic crystal, as well as the ability to define the visible or near‐IR response of a patterned regio...

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Veröffentlicht in:Advanced materials (Weinheim) 2005-01, Vol.17 (2), p.179-184
Hauptverfasser: Jiang, P., Smith Jr, D. W., Ballato, J. M., Foulger, S. H.
Format: Artikel
Sprache:eng
Schlagworte:
Composite materials
Photonic crystals
Photopolymerization
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Zusammenfassung:The generation of complex, permanent, multicolor patterns in photonic bandgap films is demonstrated. The procedure allows for the overall spatial control of the reflected color on the surface of a photonic crystal, as well as the ability to define the visible or near‐IR response of a patterned region through control of the stop‐band wavelength. For example, the attached image presents a 10 mm wide, orange, “tiger paw” insignia templated on a green background. See also inside front cover.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200306680