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Here, we establish a helical photonic confinement strategy by embedding NIR\u2010emissive Au\n                    <jats:sub>13<\/jats:sub>\n                    nanoclusters into chiral nematic mesoporous silica (CNMS). Precise matching between the chiral photonic bandgap and cluster emission yields strongly enhanced NIR\u2010CPL with a\n                    <jats:italic>g<\/jats:italic>\n                    <jats:sub>lum<\/jats:sub>\n                    of \u22120.4, enabling direct discrimination of left\u2010 and right\u2010handed circularly polarized emission in the NIR region. This system realizes the first high\u2010contrast, CPL\u2010resolved near\u2010infrared (night\u2010vision) imaging based on intrinsic cluster emission, without external polarization optics. The Au\n                    <jats:sub>13<\/jats:sub>\n                    clusters undergo reversible assembly\u2010disassembly within helical nanochannels, allowing controllable NIR\u2010CPL switching and handedness inversion. Mechanistic studies confirm that the CPL enhancement originates from chiral photonic propagation modulation rather than intrinsic emitter chirality. This helical\u2010confinement principle is extendable to multicolor metal clusters, offering a general route toward high\u2010efficiency CPL materials.\n                  <\/jats:p>","DOI":"10.1002\/adma.73316","type":"journal-article","created":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T12:55:16Z","timestamp":1778244916000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Helical Photonic Confinement of Metal Clusters Enables Switching and Imaging of Near\u2010Infrared Circularly Polarized Light"],"prefix":"10.1002","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6860-392X","authenticated-orcid":false,"given":"Di","family":"Cheng","sequence":"first","affiliation":[{"name":"College of Chemistry Zhengzhou University  Zhengzhou P. R. 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