Title :
A circularly polarized, electrically scanned slotted waveguide array suitable for high temperature environments
Author :
Stilwell, R.K. ; Wallis, R.E. ; Edwards, M.L.
Author_Institution :
Appl. Phys. Lab., Johns Hopkins Univ., Laurel, MD, USA
Abstract :
A technique using parasitic monopoles has been developed which generates circular polarization directly from a planar array of narrow wall waveguide slots. Good scanning performance has been demonstrated with an array capable of operating under extreme temperature conditions.
Keywords :
antenna phased arrays; antenna radiation patterns; monopole antenna arrays; planar antenna arrays; scanning antennas; slot antenna arrays; space communication links; MESSENGER spacecraft; circularly polarized array; deep-space telecommunications; electrically scanned array; high temperature environments; narrow wall waveguide slots; phased-array antenna; planar array; short parasitic monopoles; slotted waveguide array; Bandwidth; Linear antenna arrays; Optical polarization; Physics; Planar waveguides; Space missions; Temperature distribution; Waveguide components; Waveguide discontinuities; Waveguide transitions;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2003. IEEE
Conference_Location :
Columbus, OH, USA
Print_ISBN :
0-7803-7846-6
DOI :
10.1109/APS.2003.1220087
