Speckle-based measurement of the fractional azimuthal index of orbital angular momentum beams for refractive index sensing

Abstract Light beams possessing orbital angular momentum (OAM) have gained significant interest in areas such as optical manipulation, quantum entanglement, and super-resolved imaging. The OAM per photon of such beams, typically Laguerre-Gaussian beams, is directly proportional to the azimuthal inde...

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Principais autores:	Christopher Perrella, Aman Anil Punse, Anastasiia Zalogina, Crispin Szydzik, Megan Lim, Andreas Boes, Arnan Mitchell, Kylie R. Dunning, Kishan Dholakia
Formato:	Artigo
Idioma:	Inglês
Publicado em:	Nature Portfolio 2026-05-01
Colecção:	Nature Communications
Acesso em linha:	https://doi.org/10.1038/s41467-026-72281-3
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