This paper discusses the development of an ultra-broadband terahertz (THz) spectrometer with bandwidth > 20 THz, which significantly extends the capability of the THz pulsed imaging technique. This study also shows how time-partitioned Fourier transforms of the measured THz time-domain signal after transmission through a sample allows the progressive observation of absorption and subsequent emission of THz radiation at the frequency of the vibrational mode.


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    Title :

    Broadband terahertz sources


    Contributors:
    Davies, A.G. (author) / Linfield, E.H. (author) / Shen, Y.-C. (author) / Upadhya, P.C. (author)


    Publication date :

    2005-01-01


    Size :

    221059 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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