Topological Charge and Asymptotic Phase Invariants of Vortex Laser Beams
Topological Charge and Asymptotic Phase Invariants of Vortex Laser Beams
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Basel: MDPI AG
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English
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Basel: MDPI AG
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It is well known that the orbital angular momentum (OAM) of a light field is conserved on propagation. In this work, in contrast to the OAM, we analytically study conservation of the topological charge (TC), which is often confused with OAM, but has quite different physical meaning. To this end, we propose a huge-ring approximation of the Huygens–F...
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Topological Charge and Asymptotic Phase Invariants of Vortex Laser Beams
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TN_cdi_doaj_primary_oai_doaj_org_article_3220a03bccd44c84b92ee626825c2013
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_doaj_primary_oai_doaj_org_article_3220a03bccd44c84b92ee626825c2013
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ISSN
2304-6732
E-ISSN
2304-6732
DOI
10.3390/photonics8100445
