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Spectroscopic analysis

  • US 10,352,768 B2
  • Filed: 03/14/2018
  • Issued: 07/16/2019
  • Est. Priority Date: 06/19/2012
  • Status: Active Grant
First Claim
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1. An analyser for identifying or verifying or otherwise characterising a sample, the analyser comprising:

  • an electromagnetic radiation source for emitting electromagnetic radiation in at least one beam at a sample, the electromagnetic radiation comprising at least two different wavelengths;

    a sample detector that detects affected electromagnetic radiation resulting from the emitted electromagnetic radiation affected by the sample and provides output representing the detected affected radiation;

    a processor for determining sample coefficients from the output and identifying or verifying or otherwise characterising the sample using the sample coefficients and training coefficients determined from training samples; and

    a temperature sensor to measure the temperature of the sample and provide temperature output to the processor, wherein the processor corrects spectral components of the training coefficients at the at least two wavelengths based on the temperature of the sample.

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