Radio-wave beam shaping using holograms

Johanna Meltaus,Jaume Llibre Salo,Eero Noponen,Martti M Salomaa,Ville Viikari,A Lonnqvist,T Koskinen,Jussi Saily,J Hakli,Juha Alalaurinaho,J Mallat,Antti V Raisanen

Microwave Symposium Digest, 2002 IEEE MTT-S International（2002）

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Abstract

Millimetre-wave radio fields are shaped using both amplitude- and phase-type computer-generated holograms (diffractive elements). Methods for hologram element synthesis are described. Holograms that produce plane waves, radio-wave vortices, and Bessel beams at 310 GHz are fabricated and tested.

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Key words

antenna testing,computer-generated holography,microwave holography,millimetre waves,submillimetre waves,310 ghz,bessel beams,catr,ehf,mm-wave radio field shaping,thf,amplitude-type computer-generated holograms,compact antenna test range,diffractive elements,hologram element synthesis,millimetre-wave radio fields,phase-type computer-generated holograms,plane waves,radiowave beam shaping,radiowave vortices,satellite antenna testing,copper,electromagnetic fields,testing,holography,diffraction gratings,phase modulation

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