Mikael Käll (IMAGE)
Caption
“According to Newton’s third law, for every action there is an equal and opposite reaction – this means that when the light hits the meta-surface, and is deflected in a new direction, the meta-surface is also pushed away in the other direction. Imagine playing pool, when two balls hit each other and bounce off in different directions. In this case, the photons and the meta surface are like those two pool balls,” explains Mikael Käll, Professor at the Department of Physics at Chalmers University of Technology, co-author of the article and leader of the research project.
Credit
Chalmers University of Technology/Anna Lena Lundqvist
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License
CC BY