Wagner, D., Leuterer, F., Kasparek, W., Stober, J., & ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society (2017). Minimization of the Ohmic Loss of Grooved Polarizer Mirrors in High-Power ECRH Systems. Journal of Infrared, Millimeter, and Terahertz Waves, 38(2), 191-205. doi:10.1007/s10762-016-0329-y.