We have developed W-band large area Quasi-Optical Faraday Rotators (QOFRs) for millimetre wave imagers, where they are used to achieve compact folded optics or for receiver local oscillator suppression. Devices of 600mm square (for 80-100GHz) and 265mm circular diameter (for 92-96GHz) achieved insertion losses of 1dB and isolations of 30 to 40dB using a novel construction technique which helps overcome the linear birefringence of plastoferrite.


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    Title :

    Large area W-band quasi-optical faraday rotators for imaging applications


    Contributors:
    Hunter, R.I. (author) / Robertson, D.A. (author) / Goy, P. (author) / Smith, G.M. (author)


    Publication date :

    2005-01-01


    Size :

    1085977 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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