Design, Fabrication and Characterization of a Submillimeter-Wave Niobium HEB Mixer Imaging Array Based on the “Reverse-Microscope” ConceptLei Liu, Robert M. Weikle, Arthur W. Lichtenberger et al.|IEEE Transactions on Applied Superconductivity|2007Cited by 9
Integrated 585 GHz Hot-Electron Mixers Based on Annular Slot AntennasLei Liu, Robert M. Weikle, Qun Xiao et al.|IEEE MTT-S International Microwave Symposium digest|2007Cited by 3