Variety may be the spice of life, but variability is not – particularly for OEM instrument developers who must guarantee an answer based on the quality of a Raman spectrum. These answers matter, to their customers and to those affected by the decisions made based upon those outputs. A good-quality OEM spectrometer should, by design, exhibit low unit-to-unit variability from the start, and any remaining small differences should be corrected in order to achieve the most robust and repeatable analytical outcomes in the field. In this Tech Note, we demonstrate a method to correct for slight variations in the wavenumber and intensity response of multiple units, achieving better than 99.5% agreement between any two spectrometers across seven Raman spectrometers of the same model and configuration.
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