Complex refractive index of NO2/N2O4 in the visible studied by dispersive Fourier transform spectroscopy

Dirk Goebel; U. Hohm; K. Kerl

doi:10.1117/12.166567

31 January 1994 Complex refractive index of NO₂/N₂O₄ in the visible studied by dispersive Fourier transform spectroscopy

Dirk Goebel, U. Hohm, K. Kerl

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Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166567
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

Abstract

The complex refractive index n((sigma) , p, T) of an equilibrium mixture of gaseous NO₂/N₂O₄ is studied in the wavenumber range 11,000 cm^-1 < (sigma) < 19,000 cm^-1 and temperature range 299 K < T < 349 K with dispersive Fourier transform spectroscopy in the visible (DFTS-VIS). Although the absorption coefficient is already know with high accuracy, this is the first simultaneous determination of both, the real refractive index and the absorption coefficient of an absorbing gas in the visible wavenumber range by DFTS.

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Dirk Goebel, U. Hohm, and K. Kerl "Complex refractive index of NO₂/N₂O₄ in the visible studied by dispersive Fourier transform spectroscopy", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166567

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