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Lett."],"published-print":{"date-parts":[[2025,8,15]]},"abstract":"<jats:p>\n                    By using a polarization-resolved common-path diffraction phase\n\t\t\t\t\tmicroscope coupled with a spin-to-orbit converter, we experimentally\n\t\t\t\t\tstudy two-dimensional in-plane distributions of amplitude and phase of\n\t\t\t\t\tlight transmitted through a spherulite formed in a frustrated\n\t\t\t\t\tcholesteric liquid crystal cell. These distributions measured at\n\t\t\t\t\tdifferent orientations of the output linear polarizer (analyzer) are\n\t\t\t\t\tused to obtain the orbital angular momentum (OAM) spectra\n\t\t\t\t\tcharacterizing the OAM content of the beam. The experimental data are\n\t\t\t\t\tfound to be in good agreement with the theoretical results describing\n\t\t\t\t\tboth the distributions and the OAM spectra based on an analytically\n\t\t\t\t\tdesigned model of toron-like localized liquid crystal structures. We\n\t\t\t\t\tshow that the OAM spectrum can be controlled by changing the analyzer\n\t\t\t\t\tazimuth angle so that the dominant mode evolves between the limiting\n\t\t\t\t\tcases of the vortex mode with\n                    <jats:italic>l<\/jats:italic>\n                    =\u22122 and the vortex-free mode with\n                    <jats:italic>l<\/jats:italic>\n                    =0.\n                  <\/jats:p>","DOI":"10.1364\/ol.561669","type":"journal-article","created":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T07:59:44Z","timestamp":1750147184000},"page":"4866","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Polarization-controlled orbital angular momentum of light passing through a cholesteric spherulite"],"prefix":"10.1364","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4566-8093","authenticated-orcid":true,"given":"A. 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All rights, including\n\t\t\t\t\tfor text and data mining (TDM), Artificial Intelligence (AI) training,\n\t\t\t\t\tand similar technologies, are reserved.","name":"copyright","label":"Copyright"}]}}