On the Design and Measurement of a 2.5 THz Waveguide Mixer Mann, C. M. ; Matheson, D. N. ; Ellison, B. N. ; Oldfield, M. L. ; Moyna, B. P. ; Spencer, J. J. ; Wilsher, D. S. ; Maddison, B. J. Abstract Publication: Ninth International Symposium on Space Terahertz Technology Pub Date: March 1998 Bibcode: 1998stt..conf..161M