Statistics – Applications
Scientific paper
Jun 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..430...23b&link_type=abstract
The eleventh international conference on fourier transform spectroscopy. AIP Conference Proceedings, Volume 430, pp. 23-27 (199
Statistics
Applications
Infrared Spectra, Vibration-Rotation Analysis
Scientific paper
Although emission spectroscopy is common in the visible and ultraviolet regions, the technique has been neglected in the infrared and far infrared. Fourier transform emission spectra of infrared electronic transitions, vibration-rotation bands and pure rotational transitions will be presented. The molecules of interest range from diatomics such as LiH and FeF to large molecules such as polycyclic aromatic hydrocarbons (PAHs), C60 and DNA bases. Even at long wavelengths in the far infrared region excellent spectra of hot molecules could be recorded. One of the primary applications of our laboratory emission spectra has been the assignment of astronomical spectra of objects such as the sun, sunspots, carbon stars and planetary nebulae. The discovery of hot water vapor in sunspots and the origin of the ``unidentified infrared emission bands'' will be discussed. Finally, some spectra obtained with a cryogenic infrared echelle spectrograph will be compared with spectra from a Fourier transform spectrometer.
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