2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/221336Science opportunities and recommendations concerning optical/infrared polarimetry for the upcoming decade in the field of cosmology. Community-based White Paper to Astro2010 in response to the call for such papers.White Paper to the Cosmology and Fundamental Physics (GCT) Science Frontiers Panel of the Astro2010 Decadal SurveyCosmology and Nongalactic Astrophysicstext