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High-resolution Fourier-transform infrared chemical imaging with multiple synchrotron beams.


ABSTRACT: Conventional Fourier-transform infrared (FTIR) microspectroscopic systems are limited by an inevitable trade-off between spatial resolution, acquisition time, signal-to-noise ratio (SNR) and sample coverage. We present an FTIR imaging approach that substantially extends current capabilities by combining multiple synchrotron beams with wide-field detection. This advance allows truly diffraction-limited high-resolution imaging over the entire mid-infrared spectrum with high chemical sensitivity and fast acquisition speed while maintaining high-quality SNR.

SUBMITTER: Nasse MJ 

PROVIDER: S-EPMC3877692 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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High-resolution Fourier-transform infrared chemical imaging with multiple synchrotron beams.

Nasse Michael J MJ   Walsh Michael J MJ   Mattson Eric C EC   Reininger Ruben R   Kajdacsy-Balla AndrĂ© A   Macias Virgilia V   Bhargava Rohit R   Hirschmugl Carol J CJ  

Nature methods 20110320 5


Conventional Fourier-transform infrared (FTIR) microspectroscopic systems are limited by an inevitable trade-off between spatial resolution, acquisition time, signal-to-noise ratio (SNR) and sample coverage. We present an FTIR imaging approach that substantially extends current capabilities by combining multiple synchrotron beams with wide-field detection. This advance allows truly diffraction-limited high-resolution imaging over the entire mid-infrared spectrum with high chemical sensitivity an  ...[more]

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