The paper presents measurements which allow to separately measure the near-field contributions from the tip shaft, and those of the tip apex for THz imaging and spectroscopy. In addition, for the first time, spectroscopically resolved THz measurements of a TO-phonon of a crystal (CsI) having sub-wavelength dimensions is shown. Measurements show that it is possible to measure and identify crystals of dimensions much smaller than the THz wavelength. This may find applications in the screening of substances of which only a single (crystalline) grain is available.


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    Titel :

    THz near-field optics and microscopy


    Beteiligte:


    Erscheinungsdatum :

    01.01.2004


    Format / Umfang :

    115379 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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