Equipment |Spectrometers


A spectrometer identifies, evaluates and analyzes various wavelengths of light.

To perform an analysis, a spectrometer takes in light through a narrow entrance slit. In many spectrometers, the light is then directed onto a grating by a concave mirror. The grating then spreads out the spectral elements of the light at somewhat varying angles, which is then concentrated by a second concave mirror and imaged onto a detector.

As soon as the light hits the detector, it is then modified into electrons which are digitized and sent to a computer, which plots the spectral information as a function of wavelength over the given spectral range. This information can then be used for many spectroscopic applications.

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