3 years ago

Discriminating Between Coherent and Incoherent Light with Metasurfaces.

O. Buchnev, V. A. Fedotov, M. Kaczmarek, T. Cookson, T. Frank, P. Lagoudakis

Metasurfaces represent a powerful paradigm of optical engineering that enables one to control the flow of light across material interfaces. We report on a discovery that metallic metasurfaces of a certain type respond differently to spatially coherent and incoherent light, enabling robust speckle-free discrimination between different degrees of coherence. The effect has no direct analogue in conventional optics and may find applications in compact metadevices enhancing imaging, vision, detection, communication and metrology.

Publisher URL: http://arxiv.org/abs/1807.01654

DOI: arXiv:1807.01654v2

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