# Browse Abstracts & Presentations - 2021 International Symposium on Molecular Spectroscopy by Contributor "Adamovich, Igor V."

• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Strong vibrational nonequilibrium is sustained in nitrogen and nitrogen/carbon dioxide “hybrid” plasmas, generated by a ns pulse train overlapping with a sub-breakdown RF waveform. \chem{N_2} vibrational level populations ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
A cavity ringdown spectrometer with a supersonic wind tunnel for measurements of excited species and radicals at low pressures and temperatures has been developed. The spectrometer has been used for measurements of metastable ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Absolute time-resolved populations of nitrogen molecules in a metastable excited electronic state, N$_2(A^3\Sigma_u^+$), generated in a repetitive ns pulse discharge in reacting gas mixtures, have been measured by Tunable ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Vibrationally excited oxygen and nitrogen have been long recognized to be of critical importance in nonequilibrium high-enthalpy flows, primarily encountered behind hypersonic shock waves. To date, no direct experimental ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Numerous spectroscopic techniques have been used to follow the concentration of reactive intermediates, such as free radicals, during chemical reactions. However, it is often necessary to measure absolute concentrations ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Time-resolved, absolute number densities of ground state N atoms in nitrogen and H$_2$-N$_2$ plasmas, as well as ground state H atoms in H$_2$-N$_2$ plasmas, excited by a ns pulse discharge burst at P = 150 Torr, are ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
The spatial resolution of the ps Electric Field Induced Second Harmonic (EFISH) generation has been enhanced by using a non-collinear laser beam phase matching geometry. This approach is similar to the one used in Unstable ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Time-resolved, absolute HO$_2$ number density in diluted H$_2$-O$_2$-Ar, CH$_4$-O$_2$-Ar, and C$_2$H$_4$-O$_2$-Ar mixtures excited by a repetitive ns pulse discharge in a heated plasma flow reactor is measured by Cavity ...

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