Wide-field Raman imaging with a spatial resolution of a few micrometers is demonstrated using bundles of thousands of hexagonally packed optical fibers. Raman images are synthesized pixel by pixel, by sequentially coupling the laser pump into individual fibers of the bundle with a galvanometric scanner and collecting the Raman response from the laser-excited region of the sample within the entire aperture of the distal end of the same fiber bundle.
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Amitonova et al. (2013) studied this question.
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