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

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Title: Speckle-based measurement of the fractional azimuthal index of orbital angular momentum beams for refractive index sensing.
Authors: Perrella C; Centre of Light for Life, School of Biological Sciences, Adelaide University, Adelaide, SA, Australia.; Institute for Photonics and Advanced Sensing, Adelaide University, Adelaide, SA, Australia.; ARC Centre of Excellence in Optical Microcombs for Breakthrough Science (COMBS), Adelaide University, Adelaide, SA, Australia., Punse AA; Centre of Light for Life, School of Biological Sciences, Adelaide University, Adelaide, SA, Australia.; Institute for Photonics and Advanced Sensing, Adelaide University, Adelaide, SA, Australia.; ARC Centre of Excellence in Optical Microcombs for Breakthrough Science (COMBS), Adelaide University, Adelaide, SA, Australia., Zalogina A; Centre of Light for Life, School of Biological Sciences, Adelaide University, Adelaide, SA, Australia.; Institute for Photonics and Advanced Sensing, Adelaide University, Adelaide, SA, Australia.; Quantum Materials and Nanophotonics, School of Mathematical and Physical Sciences, University of Technology Sydney, Sydney, NSW, Australia., Szydzik C; ARC Centre of Excellence in Optical Microcombs for Breakthrough Science (COMBS), RMIT University, Melbourne, VIC, Australia.; Integrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne, VIC, Australia., Lim M; Centre of Light for Life, School of Biological Sciences, Adelaide University, Adelaide, SA, Australia.; Institute for Photonics and Advanced Sensing, Adelaide University, Adelaide, SA, Australia.; Robinson Research Institute, School of Biomedicine, Adelaide University, Adelaide, SA, Australia., Boes A; Institute for Photonics and Advanced Sensing, Adelaide University, Adelaide, SA, Australia.; ARC Centre of Excellence in Optical Microcombs for Breakthrough Science (COMBS), Adelaide University, Adelaide, SA, Australia.; School of Electrical and Mechanical Engineering, Adelaide University, Adelaide, SA, Australia., Mitchell A; ARC Centre of Excellence in Optical Microcombs for Breakthrough Science (COMBS), RMIT University, Melbourne, VIC, Australia.; Integrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne, VIC, Australia., Dunning KR; Centre of Light for Life, School of Biological Sciences, Adelaide University, Adelaide, SA, Australia.; Institute for Photonics and Advanced Sensing, Adelaide University, Adelaide, SA, Australia.; Robinson Research Institute, School of Biomedicine, Adelaide University, Adelaide, SA, Australia., Dholakia K; Centre of Light for Life, School of Biological Sciences, Adelaide University, Adelaide, SA, Australia. kishan.dholakia@adelaide.edu.au.; Institute for Photonics and Advanced Sensing, Adelaide University, Adelaide, SA, Australia. kishan.dholakia@adelaide.edu.au.; ARC Centre of Excellence in Optical Microcombs for Breakthrough Science (COMBS), Adelaide University, Adelaide, SA, Australia. kishan.dholakia@adelaide.edu.au.; SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK. kishan.dholakia@adelaide.edu.au.
Source: Nature communications [Nat Commun] 2026 May 08; Vol. 17 (1). Date of Electronic Publication: 2026 May 08.
Publication Type: Journal Article
Journal Info: Publisher: Nature Pub. Group Country of Publication: England NLM ID: 101528555 Publication Model: Electronic Cited Medium: Internet ISSN: 2041-1723 (Electronic) Linking ISSN: 20411723 NLM ISO Abbreviation: Nat Commun Subsets: MEDLINE; PubMed not MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:2041-1723
DOI:10.1038/s41467-026-72281-3