We have developed a detector of coherent terahertz (THz) radiation that can recover the full polarisation state of a THz transient. The device is a three-contact photoconductive receiver, which is capable of recording two time-varying electric field components of a THz pulse simultaneously. Our receiver was fabricated on Fe/sup +/ implanted InP and showed a cross-polarised extinction ratio greater than 100:1. The detector will be useful for spectroscopy of birefringent and optically active materials.


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    Title :

    Polarisation-sensitive terahertz detectors


    Contributors:


    Publication date :

    2005-01-01


    Size :

    1639141 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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