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Saturday, February 28, 2015

Doing the Waltz with Light

Monika Ritsch-Marte

Light with orbital angular momentum can be compared to a bundle of spaghetti held together firmly and twisted in the middle. Such optical spiral waves have numerous applications. For example, they can be used to selectively sort particles with optical tweezers. In microscopy, they enable edge enhancement, and in quantum cryptography, spiral waves allow for more information to be entangled.

DOI

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