FIELD: physics, optics.
SUBSTANCE: invention relates to optical analysis of the composition of a substance based on Raman and luminescence spectra and a spectral-selective portable Raman-luminescent analyser. The spectral-selective portable Raman-luminescent analyser further includes a microscope lens or a microscope and a one- or two-dimensional sample translator connected to a computer. The analyser is adapted to control a sample movement device and synchronise step-by-step sample scanning and identification of a substance at each step while focusing a laser beam by the microscope lens into a spot of micrometre or submicrometer dimensions.
EFFECT: high sensitivity and resolution and avoiding the need to decode complex spectra multi-component mixtures.
1 dwg
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Authors
Dates
2014-08-27—Published
2012-11-12—Filed