EMISSION SPECTRUM OF NITRIC OXIDE IN THE NEAR INFRARED.
Scientific rept. no. 2,
OHIO STATE UNIV RESEARCH FOUNDATION COLUMBUS
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The nitric oxide emission spectrum of the vibrationrotation bands of the electronic ground state has been observed in the 1.83-195 micron and 2.63-2.81 micron regions. A high tension discharge through NO at reduced pressure was utilized as the source. The 2.69, 2.73, and 2.77 micron bands were analyzed in detail and accurate values of the vibrational and rotational constants and the spin-orbit coupling constant A are presented. A calibration procedure utilizing atomic spectral lines was developed for use with the high-resolution grating spectrometer employed in the study. A detailed analysis of the applicability of the procedure is presented. Author