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In optimizing photonic crystal configurations, Philips Lumileds researchers investigated film thicknesses from 0.5-1 µm, lattice constants from 0.2-1 µm, lattice depths from 0.1-0.3 µm and triangular, honeycomb, Archimedean A7 and A13 patterns. Credit: Nature Photonics/Philips Lumileds.
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