Materials loss measurements using superconducting microwave resonators Materials loss measurements using superconducting microwave resonators

Materials loss measurements using superconducting microwave resonators C.R.H. McRae,1, 2, 3, 4, a) H. Wang,1, 2, 3, 4 J.S. Gao,1, 2 M.R. Vissers,2 T. Brecht,5 A. Dunsworth,6 D.P. Pappas,2 and J. Mutus6, 4 1)Department of Physics, University of Colorado, Boulder, Colorado 80309, USA 2)National Institute of Standards and Technology, Boulder, Colorado 80305, USA 3)JILA, University of Colorado, Boulder, Colorado 80309, USA 4)Boulder Cryogenic Quantum Testbed, University of Colorado, Boulder, Colorado 80309, USA 5)HRL Laboratories, Malibu, California 90265, USA 6)Google Inc., Goleta, California, USA