"Airy" Beams Are Nearly Diffraction-Free

Patricia Daukantas

An interesting type of accelerating wave packet—a theoretical prediction made nearly three decades ago—has now shown up in laboratory experiments.

Scatterings image

Two-dimensional computer simulation of an Airy beam with the beam facing the observer.

An interesting type of accelerating wave packet—a theoretical prediction made nearly three decades ago—has now shown up in laboratory experiments. Not only do these light beams remain nearly diffraction-free over long distances, but they also appear to bend.

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