Fishy Photons: Invisibility and Transformation Optics

Ulf Leonhardt

As we see when looking at fish in an aquarium, optical materials can distort the actual locations of objects. Scientists are now able to manipulate light in “fishy” ways that may enable big scientific breakthroughs such as invisibility cloaking in the near future.



Who hasn’t dreamed about being invisible? How wonderful it would be to slip under a magic cloak and sneak away unseen on exciting adventures. Invisibility has appeared in countless works of fiction, from legends of the ancient Greeks and Germans to Harry Potter. Yet it is only recently that invisibility has become a respectable area of science.

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