FIELD: lighting.
SUBSTANCE: invention relates to spectroscopy and concerns spectrometer with spatial light modulator. Spectrometer comprises input device for optical radiation receiving; dispersion element intended for incident optical radiation dispersion, passing from input device, output device and spatial light modulator, receiving optical radiation scattered by dispersion element and intended for received radiation wavelength parts selective direction to output device. Input device includes several input field diaphragms, each being arranged to interact with dispersion element for creation of different scattered wave length regions in spatial modulator.
EFFECT: technical result consists in expansion of spectral range and smaller dimensions of spatial light modulator.
13 cl, 4 dwg
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