Diode-laser measurements of N2-broadening coefficients in the ν10 band of allene at low temperatures

L. Fissiaux, G. Blanquet, M. Lepère

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    Résumé

    Using a tunable diode-laser spectrometer, we have measured the N2-broadening coefficients of allene for 5 lines in the ν10 fundamental band near 11 μm at five low temperatures ranging from 167.7 K to 259.7 K. The collisional halfwidths have been obtained by fitting the spectral lineshapes with the Voigt and the Rautian profiles. For these lines, the n parameter of the temperature dependence has been determined giving respectively mean values of 0.651 (0.038) and 0.612 (0.027) for the Voigt and Rautian models.
    langue originaleAnglais
    Pages (de - à)78-81
    Nombre de pages4
    journalJournal of Quantitative Spectroscopy and Radiative Transfer
    Volume127
    Les DOIs
    Etat de la publicationPublié - 2013

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