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Divergence of an orbital-angular-momentum-carrying beam upon propagation

There is recent interest in the use of light beams carrying orbital angular momentum (OAM) for creating multiple channels within free-space optical communication systems. One crucial issue is that, for a given beam size at the transmitter, the beam divergence angle increases with increasing OAM. The...

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Autori principali: Miles J Padgett, Filippo M Miatto, Martin P J Lavery, Anton Zeilinger, Robert W Boyd
Natura: Artigo
Lingua:Inglês
Pubblicazione: IOP Publishing 2015-01-01
Serie:New Journal of Physics
Soggetti:
orbital angular momentum
beam divergence
free-space propagation
Accesso online:https://doi.org/10.1088/1367-2630/17/2/023011
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