Request InfoThermoelectrically Cooled SpectrometerAvantes BVEERBEEK, The Netherlands, April 16 -- Avantes has introduced the AvaSpec-2048TEC, a thermoelectrically cooled spectrometer, to its AvaSpec line of instruments. Designed for customers who need exceptional signal-to-noise performance, the instrument is ideal for low-light level applications such as fluorescence and Raman measurements. "Noise" is driven primarily by two factors, true system noise and the photo response nonuniformity, or PRNU, of the detector. 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