Computer-generated holograms (diffractive elements) can be used for shaping mm-wave beams and for producing complex field configurations. The radio holograms studied here are amplitude holograms. An amplitude hologram has been proven to be a feasible alternative as a focusing element in a compact antenna test range (CATR) at mm-wavelengths. Amplitude holograms have also been demonstrated in other mm- and submm-wave beamshaping applications - e.g., on the creation of nondiffracting radiowave Bessel beams, a radio wave vortex, and also a custom-designed beam pattern.


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    Title :

    Computer-generated holograms for mm- and submm-wave beam shaping


    Contributors:
    Raisanen, A.V. (author) / Meltaus, J. (author) / Salo, J. (author) / Koskinen, T. (author) / Lonnqvist, A. (author) / Hakli, J. (author) / Saily, J. (author) / Ala-Laurinaho, J. (author) / Mallat, J. (author) / Noponen, E. (author)


    Publication date :

    2002-01-01


    Size :

    174417 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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