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Letter
Nature Materials 5, 179–184 (1 March 2006) | doi:10.1038/nmat1588
From colour fingerprinting to the control of photoluminescence in elastic photonic crystals
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Abstract
In photonic crystals (PCs), strong scattering and destructive wave interference lead to a modification of the photon density of states in particular energy regions and along certain crystallographic directions. The consequences of this range from suppression and enhancement of luminescence to narrow-band bright reflections useful for colour sensors, displays and tuneable filters.
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