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Near-field spectra from broadband-infrared nanoscope

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2 Author(s)
Amarie, S. ; Center for Nanosci., Max Planck Inst. of Quantum Opt., Garching, Germany ; Keilmann, F.

We demonstrate 300 cm-1 wide spectra in the 800-1400 cm-1 range taken from single pixels of about 20 nm size. Technical issues of coupling a fiber-laser-powered coherent spectrometer with a standard near-field microscope will be discussed, together with results on the phonon-resonant response of numerous crystals. Quantitative amplitude and phase spectra will be compared with theory.

Published in:

Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on

Date of Conference:

5-10 Sept. 2010