Real-time two-dimensional (2D) terahertz (THz) tomography is proposed for 2D cross-sectional imaging of moving objects. The proposed method is based on combined use of noncollinear two-dimensional free-space electro-optics sampling (2D-FSEOS) and line focusing of terahertz beam. There are no needs of mechanical scanning elements for time delay and sample position, which are essential for conventional THz tomography. We apply real-time 2D THz tomography to monitoring of the paint thickness in a moving paint sample. The proposed method provides a powerful tool for noninvasive and noncontact probing in the fields of nondestructive testing and biomedical diagnostics.


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    Titel :

    Real-time two-dimensional terahertz tomography


    Beteiligte:
    Yasui, T. (Autor:in) / Yasuda, T. (Autor:in) / Araki, T. (Autor:in)


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    1724705 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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