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Atmospheric and Oceanic Optics

2017 year, number 5

Modification of the experimental setup of FTIR spectrometer and 30-meter optical cell for measurements of weak selective and nonselective absorption

A.M. Solodov1, A.A. Solodov1, V.M. Deichuli1,2, A.N. Kuryak1, K.Yu. Osipov1, T.M. Petrova1, Yu.N. Ponomarev1, I.V. Ptashnik1
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
2National Research Tomsk State University, 36, Lenin Avenue, Tomsk, 634050,Russia
Keywords: Фурье-спектрометр, многоходовая кювета, спектр поглощения, Fourier spectrometer, multiple-pass cell, absorption spectrum

Abstract

The description of the improvement of the experimental setup based on Fourier spectrometer Bruker IFS-125 and 30-meter multipath optical cell is given in the paper. The improvement includes the cell equipment with a system of automatic adjustment of the number of beam passes without its depressurization and ensures the cell work at high temperatures.