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An optical component used to disperse light into its individual wavelengths. As incident light strikes a transmission grating's groove spacing, it is dispersed on the opposite side of the grating at a fixed angle. As incident light strikes a reflective grating's groove spacing, it is reflected and dispersed on the same side of the grating at a fixed angle.
See also Absolute Efficiency , Holographic Grating , Spectrograph , Blaze Angle , Grating Equation , Groove Density , Ruled Grating , Relative Efficiency , Blaze Wavelength , Diffraction
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