2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48654The Higgs sector of the Standard Model and of the Two Higgs Doublet Extensions of SM, MSSM and the general 2HDM, can be tested in processes involving photons. A short review of the corresponding results is presented.Latex file, 8 pages, 3 eps figures, 1 ps figure, using psfig. Presented at the Workshop on Photon Interactions and the Photon Structure, Lund, September 10-13, 1998High Energy Physics - Phenomenologytext