RAMAN GAS ANALYZER Russian patent published in 2023 - IPC G01N21/27 G01J3/44 G01N21/03 

FIELD: gaseous media qualitative and quantitative analysis.

SUBSTANCE: invention is intended for carrying out a qualitative and quantitative analysis of the composition of gaseous media. The Raman gas analyzer contains a continuous laser, a gas cell, a spectral device, a system consisting of three lenses and a flat mirror designed to collect and direct scattered light into the spectrometer, a light filter that attenuates radiation in the laser wavelength region, and a system consisting of two identical lenses and four flat mirrors, designed for repeated transmission of laser radiation through the center of the cuvette. Four lenses are installed in such a way that they function as windows of the cuvette. A flat mirror is additionally installed along the path of the laser beam in such a way that after multiple passages through the cuvette, the beam, when reflected from it, follows in the opposite direction.

EFFECT: increasing the intensity of recorded signals.

1 cl, 1 dwg