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    Experimental Verification of Electromagnetic Simulations of a HIFI Mixer Sub-Assembly

    Jellema, Willem and Wesselius, P. and Withington, Stafford and Yassin, Ghassan and Murphy, J.Anthony and O'Sullivan, Créidhe and Trappe, Neil and Peacocke, T. and Leone, B. (2003) Experimental Verification of Electromagnetic Simulations of a HIFI Mixer Sub-Assembly. In: 14th International Symposium on Space Terahertz Technology. International Symposium on Space Terahertz Technology (ISSTT), pp. 371-382. ISBN 9781604231878

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    Phase II of the study "Far-Infrared Optics Design & Verification", commissioned by the European Space Agency (ESA), we investigate the ability of several commercial software packages (GRASP, CODEV, GLAD and ASAP) to predict the performance of a representative example of a submillimeter-wave optical system. In this paper, we use the software packages to predict the behaviour of a Mixer Sub-Assembly (MSA) of HIFI, and we compare the simulations with near-field measurements at 480 GHz. In order to be able to distinguish between the predictions of the packages, we move the corrugated horn of the MSA through its nominal focus position. A unique feature of the experimental arrangement is that the measured position of every field point is known absolutely to within fractions of a wavelength. In this paper we present the results of this through-focus experiment, which give a good first-order indication of the agreement between measured and simulated behaviour of a typical submillimeter-wave optical system.

    Item Type: Book Section
    Keywords: A-TRP; far-infrared; submillimeter; optics; verification; HIFI;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 9860
    Depositing User: Dr. Neil Trappe
    Date Deposited: 31 Aug 2018 15:16
    Publisher: International Symposium on Space Terahertz Technology (ISSTT)
    Refereed: Yes
      Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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