Colouration by total internal reflection and interference at microscale concave interfaces

Colouration by total internal reflection and interference at microscale concave interfaces

Colouration by total internal reflection and interference at microscale concave interfaces, Published online: 27 February 2019; doi:10.1038/s41586-019-0946-4

A mechanism for creating patterns of iridescent structural colour by total internal reflection of light beams along a concave optical interface leading to interference is described, for complex microscopic systems and for systems as simple as condensed water drops.

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