Journal
OPTICS EXPRESS
Volume 19, Issue 16, Pages 15596-15602Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.015596
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Funding
- EPSRC [EP/G060649/1, EP/F059396]
- Kodak
- EPSRC [EP/G060649/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G060649/1] Funding Source: researchfish
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A 'release-rollup' assembly (RRA) technique is described that yields corrugated metallodielectric superlattices. Bilayers of polymer/Au cast onto diffraction gratings are released and rolled into multilayers with registration of the stacked corrugations across mm-scales. Optical imaging reveals Moire fringes with reflection spectra that track the bilayer thickness due to mis-stacking. Angular-resolved spectra show spectrally-modulated diffraction opposite to that of the metallic stop-bands, but which agrees with a simple model. This scalable fabrication strategy is thus widely exploitable for laterally patterned metamaterials and optical superlattices. (C) 2011 Optical Society of America
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