Analysis of the whispering gallery mode sapphire Fe3+ maser under magnetic fieldM. Mrad, P.Y. Bourgeois, M.E. Tobar, Y. Kersalé and V. GiordanoEur. Phys. J. Appl. Phys., 57 2 (2012) 21005DOI: https://doi.org/10.1051/epjap/2012110366
