The R-index: a universal metric for evaluating OAM content and mode purity in optical fields

Despite its pivotal role in optical manipulation, high capacity communications, and quantum information, a general measure of orbital angular momentum (OAM) in structured light remains elusive. In optical fields, where multiple vortices coexist, the local nature of vortex OAM and the absence of a co...

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Auteurs principaux:	Monika Bahl, Georgios M Koutentakis, Mikhail Maslov, Tom Jungnickel, Timo Gaßen, Mikhail Lemeshko, Oliver H Heckl
Format:	Artigo
Langue:	Inglês
Publié:	IOP Publishing 2026-01-01
Collection:	JPhys Photonics
Sujets:	structured light optical vortex orbital angular momentum mode purity
Accès en ligne:	https://doi.org/10.1088/2515-7647/ae3506
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