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CARS vibration-rotation Q-branch spectrum of hydrogen chloride

✍ Scribed by H. G. M. Edwards; D. A. Greenhalgh; D. A. Long; G. Sherwood

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
324 KB
Volume
22
Category
Article
ISSN
0377-0486

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✦ Synopsis

Abstract

The self‐broadening of the Q‐branch vibration‐rotational lines in the CARS spectrum of HCl was studied over the pressure range 0.002‐1.000 bar and the temperature range 298‐1048 K. The broadening coefficients, σ~p~, are dependent on J at 298 and 550 K but are independent of J at higher temperatures; the σ~p~ value of 1048 K is only about 25% of its value for J~max~ at 298 K.

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## Abstract A high‐resolution (∼0.1 cm^−1^) spectroscopic method based on the application of a Fabry–Pérot interferometer to the spectral analysis of the coherent anti‐Stokes Raman scattering (CARS) signal from an individual Raman transition was used to obtain single‐shot spectra of hydrogen __Q__‐