Abstract
High resolution spectra in the region of the ν2 band of nitric acid have been obtained for selected portions of the HNO3 spectrum using tunable diode laser techniques. Continuous spectra are presented from 1718.97 cm−1 to 1729.57 cm−1, with a spectral resolution ≤0.001 cm−1 (30 MHz). Absolute line intensities and line positions are presented. Self- and foreign-gas (N2) broadening coefficients were iteratively calculated from the experimental data and were determined to be αa = 0.74 cm−1/atm and αf = 0.13 cm−1/atm, respectively.
© 1979 Optical Society of America
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