Patent ID: 8982338
Filing Date: 2015-03-17
Classification: G01N

Abstract:
1. An analyzer for analyzing a composition of a sample, comprising: an x-ray illuminator to illuminate the sample with x-rays; an x-ray spectrometer to produce x-ray spectral data representative of fluorescence radiation emitted from the sample in response to the illuminating x-rays; an optical illuminator to illuminate the sample with light; a Raman spectrometer to produce Raman spectral data that includes Stokes spectral data and anti-Stokes spectral data representative of Raman radiation emitted from the sample in response to the light; and a processor to receive the x-ray spectral data and Raman spectral data and to determine if the Stokes spectral data is obscured by an interfering optical fluorescence signal and, when the Stokes spectral data is determined to be obscured, to use the anti-Stokes spectral data and not the Stokes spectral data, to identify the molecule and provide an analysis of a compound in the sample based on both.