Near-field spectra from broadband-infrared nanoscope

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 n...

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Bibliographic Details
Main Authors: Amarie, S, Keilmann, F
Format: Conference Proceeding
Language:English
Subjects:
Laser beams
Microscopy
Optical imaging
Optical interferometry
Optical microscopy
Optical scattering
Online Access:Request full text
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Description
Summary: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.
ISSN:2162-2027
DOI:10.1109/ICIMW.2010.5612966