Testing of a 1.5-m reflector antenna at 322 GHz in a CATR based on a hologram

Janne Häkli (Corresponding Author), Tomi Koskinen, Anne Lönnqvist, Jussi Säily, Juha Mallat, Juha Ala-Laurinaho, Ville Viikari, Antti V. Räisänen, Jussi Tuovinen

    Research output: Contribution to journalArticleScientificpeer-review

    37 Citations (Scopus)


    Hologram-based compact antenna test range (CATR) is a potential method for testing large antennas at submillimeter wavelengths. This paper describes testing of a 1.5-m single offset parabolic reflector antenna with a 3-m-diameter hologram-based CATR. This is the first time such a measurement is carried out at submillimeter wavelengths. The antenna tests were done in a CATR that was specifically designed and constructed for these tests. The measured radiation pattern at the frequency of 322 GHz is presented. The measured pattern corresponds reasonably well to the simulated pattern of the antenna. The effect of the quiet-zone field nonidealities on the measurement results and the reasons for the discrepancies in the measured antenna beam are discussed.
    Original languageEnglish
    Pages (from-to)3142 - 3150
    Number of pages9
    JournalIEEE Transactions on Antennas and Propagation
    Issue number10
    Publication statusPublished - 2005
    MoE publication typeA1 Journal article-refereed


    • antenna measurements
    • compact antenna test ranges
    • hologram
    • sub-millimeter waves


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