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Pressure Broadening of NO2 by NO2, N2, He, Ar, and Kr Studied with TDLAS

✍ Scribed by V.V. Pustogov; F. Kuhnemann; B. Sumpf; Y. Heiner; K. Herr

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 445 KB
Volume: 167
Category: Article
ISSN: 0022-2852
DOI: 10.1006/jmsp.1994.1236

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✦ Synopsis

The line broadening in the strongest band of (\mathrm{NO}{2}), the (v{3}) band near (1616.85 \mathrm{~cm}^{-1}), was studied using a spectrometer with pulsed lead salt diode lasers. The examination uses self-broadening experiments as well as broadening with (\mathrm{N}{2}, \mathrm{He}, \mathrm{Ar}), and (\mathrm{Kr}) to obtain information on the intermolecular interactions. For a set of quantum numbers with (16 \leqslant N^{\prime \prime} \leqslant 48,0 \leqslant K{a}^{\prime \prime} \leqslant 12), the broadening coefficients and spin splittings were determined with an accuracy between 1.5 and (5 %). The measured values for the spin splittings are in good agreement with the theoretical values from A. Perrin. 1994 Academic Press. Inc.

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