Title :
Quasioptical components for 230 GHz and 460 GHz
Author :
Ediss, G.A. ; Wang, S-J. ; Keen, N.J.
Author_Institution :
Max-Planck-Institut f????r Radioastronomie, Bonn, West Germany
fDate :
4/1/1985 12:00:00 AM
Abstract :
Measurements of diplexers, lenses and feed horns for the frequency ranges 220¿¿230 GHz and 460¿¿495 GHz are reported, with particular emphasis on component insertion losses. At both frequencies best results are obtained using polarisation diplexers and Teflon lenses. Scalar feed horns are clearly preferable at 230 GHz whilst technological problems appear to indicate that simpler horns (dual mode, pyramidal) should be used at higher frequencies.
Keywords :
antenna feeders; lenses; microwave devices; radiotelescopes; 220 to 230 GHz; 230 GHz; 460 GHz; 460 to 495 Ghz; MM wave; Teflon lenses; component insertion losses; diplexers; feed horns; lenses; polarisation diplexers; quasioptical components; radioastronomy; scalar feed horns; sub MM wave;
Journal_Title :
Microwaves, Antennas and Propagation, IEE Proceedings H
Conference_Location :
4/1/1985 12:00:00 AM
DOI :
10.1049/ip-h-2.1985.0020
