Title :
A high efficiency 60 GHz beam waveguide antenna system for inter-satellite links
Author :
Rao, K.S. ; Chan, K.K. ; Moffat, J.W. ; Morin, G.A.
Author_Institution :
Spar Aerosp. Ltd., Ste-Anne-de-Bellevue, Que., Canada
Abstract :
A high efficiency shaped Cassegrain antenna system with beam waveguide (BWG) feed is developed for inter-satellite links. The required scan coverage of /spl plusmn/180/spl deg/ in azimuth and /spl plusmn/70/spl deg/ in elevation is best achieved by employing a BWG system with minimal loss. The antenna transmits LHCP signals over the 61.94-62.94 GHz and receives the RHCP signals over the 59.9-60.9 GHz. It uses a multi-mode feed for communications (TE/sub 11/ mode) and tracking (TE/sub 21/ mode) signals.<>
Keywords :
electromagnetic wave polarisation; millimetre wave antennas; reflector antenna feeds; reflector antennas; satellite antennas; satellite links; waveguide antennas; 59.9 to 60.9 GHz; 61.94 to 62.94 GHz; EHF; LHCP signals; RHCP signals; TE/sub 11/ mode; TE/sub 21/ mode; azimuth; beam waveguide antenna system; beam waveguide feed; communications; elevation; high efficiency antenna; inter-satellite links; multi-mode feed; scan coverage; shaped Cassegrain antenna; tracking; Antenna feeds; Antenna measurements; Apertures; Geometrical optics; Lighting; Mirrors; Optical losses; Optical waveguides; Reflector antennas; Tellurium;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1994. AP-S. Digest
Conference_Location :
Seattle, WA, USA
Print_ISBN :
0-7803-2009-3
DOI :
10.1109/APS.1994.407961
