PT Unknown AU Liu, J Jin, J Thumm, M Zhao, Q Li, H TI Design of adapted phase correcting mirrors for gyrotrons SE 14th IEEE International Vacuum Electronics Conference (IVEC 2013), Paris, F, May 21-23, 2013 PY 2013 BP Article EP no DI 10.1109/IVEC.2013.6570890 LA english ER