Near IR TDLS Study of HF First Overtone Line Shape. I. Experimental Resultsстатья
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Дата последнего поиска статьи во внешних источниках: 25 апреля 2017 г.
Аннотация:The HF first overtone vibrationrotational absorption spectral line profile (the transition 0–2 R(0)) broadened by Ar (mixture HF : Ar = 1 : 150, T = 295 K, P = 10–300 mm Hg) is studied by the method of near IR diode laser spectroscopy. A tunable distributed feedback fiber diode laser was used as a radiation source in a two channel spectrometer (λ ∼ 1.284 μm, spectral tuning range Δν = 1.5–2.0 cm–1, the output radiation power is 15 mW, the spectral halfwidth of lasing lines is ∼ 5 MHz). The broadening and shifting coefficients of the considered HF line are determined, using traditional Voigt, Rautian, and Galatry spectral profiles