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The Physical Basis for Analysis of the Depth of Absorbing Species Using Internal Reflection Spectroscopy

Volume 28, Number 4 (Aug. 1974) Page 335-341

Tompkins, Harland G.

Internal reflection spectroscopy is discussed for a nonuniform distribution of an absorbing species. Although some distributions cannot experimentally be distinguished from others, if one assumes a distribution, information about depth and concentration can be obtained by making measurements at several angles of incidence. A practical method is proposed and demonstrated for obtaining thickness and concentration for an assumed step profile.