2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/131754One of the magneto-optical properties of the mirrors of the Fabry-Perot cavity used for the experiment is considered as a possible origin of the PVLAS measurement result.1 page, 1 figure, Comment to the article published in Phys. Rev. Lett. 96, 110406 (2006) by E. Zavattini et alHigh Energy Physics - ExperimentA New Comment on "Experimental Observation of Optical Rotation Generated in Vacuum by a Magnetic Field"text