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Tunable diode laser spectroscopy of NO2 at 6.2 μm |
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| Authors: | V Malathy Devi B Fridovich GD Jones DGS Snyder Palash P Das J-M Flaud C Camy-Peyret K Narahari Rao |
| Institution: | National Earth Satellite Service, National Oceanic and Atmospheric Administration, Washington, D. C. 20233 USA;Tachisto, Inc., Needham, Massachusetts 02194 USA;Laboratoire de Physique Moleculaire, et d''Optique Atmospherique, Campus d''Orsay, 91405 Orsay, France;Department of Physics, The Ohio State University, Columbus, Ohio 43210 USA |
| Abstract: | High-resolution spectra in the ν3 region of 14N16O2 were measured by using a diode laser as a source to a vacuum grating spectrometer. Spin-rotation constants for the ν3 and ν2 + ν3 states were determined from the observed data. Absolute strengths and transition moments for the ν3 and ν2 + ν3 ? ν2 bands were derived from the observed line strengths at 296 K. Self-broadened and N2-broadened half-widths were measured for several of the ν3 band lines at room temperature. Temperature-dependent half-widths for two N2-broadened ν3 lines are also reported. |
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