2D Electric field imagery in 4H-SiC power diodes using OBIC technique Hassan Hamad, Pascal Bevilacqua, Dominique Planson, Christophe Raynaud, Dominique Tournier, Bertrand Vergne, Mihai Lazar and Pierre Brosselard Eur. Phys. J. Appl. Phys., 72 2 (2015) 20101 Published online: 30 October 2015 DOI: 10.1051/epjap/2015150054