Abstract

The interpretation procedures here for observations of ir absorption spectra recorded under conditions of low pressure and long path, assuming Lorentzian line shape, are treated with the help of a universal absorption contour. The central dip and slopes of the sides of the observed line contour are the measured quantities. An expression is given to correct for intruding wing absorption. The use of the line itself as a chopper to test validity of the Lorentzian line shape assumption is described.

© 1972 Optical Society of America

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