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Here, we propose and experimentally demonstrate a cascaded liquid crystal Pancharatnam\u2013Berry phase system. It comprises two phase elements and a classic convex lens, which enables continuously tunable axial spin\u2010dependent splitting via controlled lateral misalignment. A relative in\u2010plane displacement generates a spin\u2010dependent quadratic phase, yielding equivalent focal powers linear with displacement and opposite signs for orthogonal spins. This mechanism continuously tunes the focal lengths of left and right circularly polarized light, producing two separate foci at distinct axial positions for parallel depth acquisition. Reversing the displacement sign dynamically interchanges the two foci. Leveraging this capability, we demonstrate multiplane imaging in a single exposure, eliminating mechanical axial scanning required in traditional microscopes. An analytical model is established to quantitatively link the lateral misalignment to the two focal positions. This work establishes misalignment\u2010enabled axial spin splitting as a compact and efficient platform for depth\u2010resolved and spin\u2010dependent optical systems.<\/jats:p>","DOI":"10.1002\/nap2.70270","type":"journal-article","created":{"date-parts":[[2026,8,29]],"date-time":"2026-08-29T09:46:04Z","timestamp":1787996764000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Misaligning Cascaded Liquid Crystal Elements for Continuously Tunable Axial Spin\u2010Dependent Splitting"],"prefix":"10.1002","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9903-7078","authenticated-orcid":false,"given":"Yougang","family":"Ke","sequence":"first","affiliation":[{"name":"School of Information Science and Engineering Hunan Institute of Science and Technology  Yueyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinhuai","family":"Gu","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering Hunan Institute of Science and Technology  Yueyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2344-8927","authenticated-orcid":false,"given":"Linzhou","family":"Zeng","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering Hunan Institute of Science and Technology  Yueyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhangming","family":"Hong","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering Hunan Institute of Science and Technology  Yueyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingqing","family":"Yu","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering Hunan Institute of Science and Technology  Yueyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yingqun","family":"Xiao","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering Hunan Institute of Science and Technology  Yueyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8678-906X","authenticated-orcid":false,"given":"Xinxing","family":"Zhou","sequence":"additional","affiliation":[{"name":"Key Laboratory of Low\u2010Dimensional Quantum Structures and Quantum Control of Ministry of Education School of Physics and Electronics Hunan Normal University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9004-715X","authenticated-orcid":false,"given":"Jin","family":"Li","sequence":"additional","affiliation":[{"name":"School of Instrumentation and Optoelectronic Engineering Beihang University  Beijing 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