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The results indicate that the conversion in such a polychromatic focused field obviously depends on time. This temporal effect originates from the superposition of local fields at the focus with different frequencies and is sensitive to the settings of pulse width and central wavelength. This work can provide fundamental insights into the spin\u2013orbit dynamics within ultrafast wave packets, and possesses the potential for applications in spin-controlled manipulations of light.<\/jats:p>","DOI":"10.1364\/oe.482358","type":"journal-article","created":{"date-parts":[[2023,1,13]],"date-time":"2023-01-13T05:09:19Z","timestamp":1673586559000},"page":"5820","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Temporal effect of the spin-to-orbit conversion in tightly focused femtosecond optical fields"],"prefix":"10.1364","volume":"31","author":[{"given":"Shuoshuo","family":"Zhang","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhangyu","family":"Zhou","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanan","family":"Fu","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Chen","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weipeng","family":"Li","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4764-9988","authenticated-orcid":true,"given":"Hui","family":"Fang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Changjun","family":"Min","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuquan","family":"Zhang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaocong","family":"Yuan","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vy4gh70","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2023,2,2]]},"reference":[{"key":"oe-31-4-5820-R1","doi-asserted-by":"publisher","author":"Born","year":"1999","DOI":"10.1017\/CBO9781139644181"},{"key":"oe-31-4-5820-R2","doi-asserted-by":"publisher","first-page":"161","DOI":"10.1364\/AOP.3.000161","volume":"3","author":"Yao","year":"2011","journal-title":"Adv. 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