{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T11:57:41Z","timestamp":1785412661469,"version":"3.56.0"},"reference-count":26,"publisher":"Optica Publishing Group","issue":"24","license":[{"start":{"date-parts":[[2024,12,10]],"date-time":"2024-12-10T00:00:00Z","timestamp":1733788800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR"},{"start":{"date-parts":[[2024,12,10]],"date-time":"2024-12-10T00:00:00Z","timestamp":1733788800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"name":"University of Hyderabad, Institution of Eminence"},{"DOI":"10.13039\/501100001843","name":"Science and Engineering Research Board","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001843","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Lett."],"published-print":{"date-parts":[[2024,12,15]]},"abstract":"<jats:p>\n                    The spin\u2013orbit (\n                    <jats:italic toggle=\"yes\">\u03c3<\/jats:italic>\n                    \u2009\u2212\u2009\n                    <jats:italic toggle=\"yes\">l<\/jats:italic>\n                    ) interaction in a focused-reflected beam of light results in spatially nonuniform polarization in the beam cross section due to the superposition of orthogonal field components and polarization-dependent interface reflection coefficients. Polarization filtering the output beam leads to an interchangeable transformation of\n                    <jats:italic>l<\/jats:italic>\n                    =\u22132 charge vortex into two (\u2213) unit charge vortices, for\n                    <jats:italic toggle=\"yes\">\u03c3<\/jats:italic>\n                    \u2009=\u2009\u00b11 circular polarization of the input Gaussian beam. This transformation follows a trajectory, named optical vortex trajectory, that depends on the input beam\u2019s\n                    <jats:italic toggle=\"yes\">\u03c3<\/jats:italic>\n                    and hence the\n                    <jats:italic toggle=\"yes\">l<\/jats:italic>\n                    and reflecting surface characteristics. The vortex trajectory is used here to quantify both the sign and the magnitude of the chiral parameter of a quartz crystal. The Jones matrix-based simulation anticipates the chirality-dependent vortex trajectory that matches with experimental measurements.\n                  <\/jats:p>","DOI":"10.1364\/ol.543177","type":"journal-article","created":{"date-parts":[[2024,11,7]],"date-time":"2024-11-07T09:00:10Z","timestamp":1730970010000},"page":"7174","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Spin\u2013orbit interaction-mediated measurement of surface chirality"],"prefix":"10.1364","volume":"49","author":[{"given":"Upasana","family":"Baishya","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04a7rxb17","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3189-1021","authenticated-orcid":true,"given":"Nirmal K.","family":"Viswanathan","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04a7rxb17","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2024,12,10]]},"reference":[{"key":"ol-49-24-7174-R1","author":"Jackson","year":"2021"},{"key":"ol-49-24-7174-R2","doi-asserted-by":"crossref","DOI":"10.1017\/CBO9781139644181","volume-title":"Principles of Optics","author":"Born","year":"1999"},{"key":"ol-49-24-7174-R4","doi-asserted-by":"publisher","first-page":"378","DOI":"10.1007\/BF02746970","volume":"43","author":"Silverman","year":"1985","journal-title":"Lett. 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All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.","name":"copyright","label":"Copyright"}]}}