Computer-generated holograms (diffractive elements) can be used for shaping millimeter-wave beams, e.g., for producing a plane wave in a compact space. An amplitude hologram has earlier been demonstrated to be able to form arbitrary beams at 310 GHz and has proven to be a feasible alternative as a focusing element in a compact antenna test range (CATR) at mm-wavelengths. It was used successfully for Odin satellite antenna tests at 119 GHz. In a recent study we have designed and constructed a compact antenna test range for 322 GHz and measured the ADMIRALS representative test object, which is a 1.5-meter offset paraboloid antenna.
Computer-generated hologram and its use for submm-wave antenna measurement
2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720) ; 2 ; 717-723 Vol.2
2004-01-01
590915 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
2.1501 Computer-generated Hologram and its Use for Submm-wave Antenna Measurement
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