= Monochromator
{wiki=Monochromator}
A monochromator is an optical device that isolates a specific wavelength or narrow band of wavelengths from a broader spectrum of light. It typically consists of a light source, a dispersive element, and a detector. The fundamental purpose of a monochromator is to take incoming polychromatic light (light that contains multiple wavelengths) and separate it so that only the desired wavelength or range of wavelengths is transmitted to the output.
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