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While this observation has been hitherto considered as a tool to characterize these materials, we show that these patterns are associated with a strong light\u2019s spin\u2013orbit coupling induced by the spherulite structures. We experimentally demonstrate these effects using samples of crystallized ascorbic acid and observing the creation of optical vortices in transmitted laser beams, as well as the formation of inhomogeneous polarisation patterns. Our findings suggest the use of some spherulites based on other materials in frequency ranges, e.g. in the THz domain, where polarisation and spatial shaping of electromagnetic radiation is still a challenging task.<\/jats:p>","DOI":"10.1515\/nanoph-2022-0502","type":"journal-article","created":{"date-parts":[[2023,1,14]],"date-time":"2023-01-14T01:38:55Z","timestamp":1673660335000},"page":"2789-2795","source":"Crossref","is-referenced-by-count":3,"title":["Spin\u2013orbit coupling induced by ascorbic acid crystals"],"prefix":"10.1002","volume":"12","author":[{"given":"Florence","family":"Grenapin","sequence":"first","affiliation":[{"name":"Nexus for Quantum Technologies University of Ottawa K1N 5N6 ON Ottawa Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6964-4328","authenticated-orcid":false,"given":"Alessio","family":"D\u2019Errico","sequence":"additional","affiliation":[{"name":"Nexus for Quantum Technologies University of Ottawa K1N 5N6 ON Ottawa Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8168-7304","authenticated-orcid":false,"given":"Ebrahim","family":"Karimi","sequence":"additional","affiliation":[{"name":"Nexus for Quantum Technologies University of Ottawa K1N 5N6 ON Ottawa Canada"},{"name":"National Research Council of Canada Ottawa Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,1,16]]},"reference":[{"key":"e_1_2_8_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.progpolymsci.2015.11.006"},{"key":"e_1_2_8_3_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2207993"},{"key":"e_1_2_8_4_2","doi-asserted-by":"publisher","DOI":"10.1364\/ol.27.001875"},{"key":"e_1_2_8_5_2","doi-asserted-by":"publisher","DOI":"10.1103\/physrevlett.96.163905"},{"key":"e_1_2_8_6_2","doi-asserted-by":"publisher","DOI":"10.1364\/josab.36.000d70"},{"key":"e_1_2_8_7_2","doi-asserted-by":"publisher","DOI":"10.1103\/physrevlett.103.013601"},{"key":"e_1_2_8_8_2","doi-asserted-by":"publisher","DOI":"10.1364\/oe.21.008815"},{"key":"e_1_2_8_9_2","doi-asserted-by":"publisher","DOI":"10.1364\/optica.2.000900"},{"key":"e_1_2_8_10_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.3154549"},{"key":"e_1_2_8_11_2","doi-asserted-by":"publisher","DOI":"10.1038\/srep17929"},{"key":"e_1_2_8_12_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.3527083"},{"key":"e_1_2_8_13_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.3590716"},{"key":"e_1_2_8_14_2","doi-asserted-by":"publisher","DOI":"10.1038\/lsa.2014.48"},{"key":"e_1_2_8_15_2","doi-asserted-by":"publisher","DOI":"10.1103\/physrevlett.95.136601"},{"key":"e_1_2_8_16_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41566\u2010019\u20100380\u2010z"},{"key":"e_1_2_8_17_2","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms1951"},{"key":"e_1_2_8_18_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1227193"},{"key":"e_1_2_8_19_2","doi-asserted-by":"publisher","DOI":"10.1103\/physrevlett.113.060503"},{"key":"e_1_2_8_20_2","doi-asserted-by":"publisher","DOI":"10.1098\/rsta.2015.0439"},{"key":"e_1_2_8_21_2","doi-asserted-by":"publisher","DOI":"10.1364\/ol.43.004108"},{"key":"e_1_2_8_22_2","doi-asserted-by":"publisher","DOI":"10.1103\/physrevlett.96.073903"},{"key":"e_1_2_8_23_2","doi-asserted-by":"publisher","DOI":"10.29026\/oes.2022.220007"},{"key":"e_1_2_8_24_2","doi-asserted-by":"publisher","DOI":"10.1038\/130205b0"},{"key":"e_1_2_8_25_2","doi-asserted-by":"publisher","DOI":"10.1107\/s0567740868001664"},{"key":"e_1_2_8_26_2","doi-asserted-by":"publisher","DOI":"10.1016\/s0022\u20100248(01)01892\u20109"},{"key":"e_1_2_8_27_2","volume-title":"Effect of Solvent Composition on Cristallization Process of Ascorbic Acid","author":"Omar W.","year":"2006"},{"key":"e_1_2_8_28_2","doi-asserted-by":"publisher","DOI":"10.1143\/jpsj.78.074001"},{"key":"e_1_2_8_29_2","doi-asserted-by":"publisher","DOI":"10.1042\/bj0302273"},{"key":"e_1_2_8_30_2","doi-asserted-by":"publisher","DOI":"10.1143\/jpsj.72.1384"},{"key":"e_1_2_8_31_2","doi-asserted-by":"publisher","DOI":"10.1002\/pol.1959.1203713105"},{"key":"e_1_2_8_32_2","volume-title":"Fundamentals of Photonics","author":"Saleh B. 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