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Conventional point\u2010spread\u2010function (PSF)\u2010engineered optics usually rely on a single optical response to perform both axial encoding and image formation, creating an inherent trade\u2010off between depth discriminability and lateral image quality. Here, we demonstrate a polarization\u2010multiplexed multifunctional metalens that decouples depth encoding from texture observation within a single titanium dioxide planar device. By jointly designing propagation and Pancharatnam\u2013Berry geometric phases, the two circular polarization channels are assigned to double\u2010helix (DH) PSF response for depth encoding and Airy PSF for extended\u2010depth\u2010of\u2010field (EDOF) texture observation, respectively. The Airy\u2010channel target scale serves as an internal reference for depth\u2010feature extraction. The DH\u2010derived depth further guides Airy\u2010PSF selection and enables non\u2010blind texture deconvolution. Experiments on multi\u2010depth letter targets and textured objects demonstrate depth\u2010resolved texture recovery over a 20\u201370\u00a0cm working distance, with improved contrast, sharpness, and structural similarity. This function\u2010decoupled DH\/Airy architecture uses complementary PSF channels to mitigate the trade\u2010off between depth discriminability and lateral image quality, providing a compact optical\u2010computational strategy for depth\u2010aware EDOF imaging in miniaturized metalens systems.<\/jats:p>","DOI":"10.1002\/nap2.70311","type":"journal-article","created":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T05:12:31Z","timestamp":1791349951000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Polarization\u2010Multiplexed Double\u2010Helix\/Airy Metalens for Depth\u2010Resolved Texture Imaging With Extended Depth\u2010of\u2010Field"],"prefix":"10.1002","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-7916-3493","authenticated-orcid":false,"given":"Xinyi","family":"Tian","sequence":"first","affiliation":[{"name":"College of Future Information Technology Fudan University  Shanghai 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