Infrared spectroscopy of acetylene, carbon monoxide, and deuterated hydrogen cyanide for planetary atmospheric applications

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Esteki, Koorosh
University of Lethbridge. Faculty of Arts and Science
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Lethbridge, Alta : University of Lethbridge, Dept. of Physics and Astronomy
I present the results of three spectroscopic projects. First, we analysed spectra of acetylene diluted by carbon dioxide (CO2) in the R-branch region of the v1+v3 combination vibrational band (6470-6618 cm-1). The spectra were recorded over a range of pressures between 50 to 500 Torr and temperatures between 216 to 333 K. The objective was to obtain the CO2 broadened Lorentz half width, line-shift parameters as well as their temperature dependency for all measurable transitions. Second, we have re-analyzed high-resolution, room temperature spectra of pure CO and CO broadened by hydrogen recorded in the spectral range of the first overtone band. Self- and H2-broadened line parameters were obtained for 48 ro-vibrational transitions. Third, we studied the infrared emission spectra of Deuterium Cyanide (DCN) in the 450 to 850 wavenumbers range, recorded at 1370 K at the Justus-Liebig University, Giessen, Germany. We report the ro-vibrational constants for the DCN molecule.
Fourier transform spectroscopy , laser spectroscopy , line shape studies , ro-vibration , spectral analysis , Remote sensing , Interferometry , Interstellar molecules , Quantum optics , Infrared spectroscopy