Cavity (IMAGE)

Polytechnique Montréal

Cavity

Caption

This is a schematic of the organic microcavity used to observe superfluid flow. Scientists have known for centuries that light is composed of waves. The fact that light can also behave as a liquid, rippling and spiraling around obstacles like the current of a river, is a much more recent finding that is still a subject of active research. The 'liquid' properties of light emerge under special circumstances, when the photons that form the light wave are able to interact with each other.

Credit

Polytechnique Montreal

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