FIELD: instrument engineering.
SUBSTANCE: multi-channel high-performance Raman spectrometer comprises an entrance slit which is in the focus of the input concave mirror, optically connected with a plane diffraction grating and CCD matrix. At that between the diffraction grating and the CCD matrix an objective lens is mounted with corrected aberrations, and the diameter of its entrance pupil is not less than the diameter of the input concave mirror.
EFFECT: increased sensitivity of the spectrometer.
1 dwg
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