30 May 2002 Degenerate four-wave mixing and polarization spectroscopy in NO2
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Degenerate Four Wave Mixing (DFWM) and polarization spectroscopy (PS) have been used to detect traces of nitric dioxide in a static cell at room temperature and in a small flame from a laboratory Bunsen burner. The high resolution spectrum of the Douglas-Huber band has been recorded with both techniques. The role played by population and thermal gratings in the DFWM case has been investigated under various experimental conditions. PS measurements performed with 'orientation' and 'alignment' configurations allowed to resolve NO2 composite spectral features.
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Luigi De Dominicis, Luigi De Dominicis, Roberta Fantoni, Roberta Fantoni, Mariano Giorgi, Mariano Giorgi, } "Degenerate four-wave mixing and polarization spectroscopy in NO2", Proc. SPIE 4749, ICONO 2001: Novel Trends in Nonlinear Laser Spectroscopy and Optical Diagnostics and Lasers in Chemistry, Biophysics, and Biomedicine, (30 May 2002); doi: 10.1117/12.468910; https://doi.org/10.1117/12.468910

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