We report the application of a new type of Fourier-transform spectroscopy called coherent frequency-comb FTIR. This new spectrometer is used to illuminate and read out a scanning mid-infared near-field microscope. The latter is based on an AFM with commercial, cantilevered tips and works on the principle of light scattering; thus it is named scattering or s-SNOM. As a result, we obtain mid-infrared spectra for each pixel of the scanned image. The spatial resolution is typically 30 nm, but 10 nm appears feasible in the near future.


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    Title :

    Spectroscopic s-SNOM powered by infrared frequency-combs


    Contributors:
    Brehm, M. (author) / Schliesser, A. (author) / Keilmann, F. (author)


    Publication date :

    2006-09-01


    Size :

    1099822 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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