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Proceedings Paper

Infrared Fiber Evanescent Wave Spectroscopy For In-Situ Monitoring Of Chemical Processes
Author(s): E. Margalit; H. Dodiuk; E. M. Kosower; A. Katzir
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Paper Abstract

A silver halide infrared fiber-optic evanescent wave spectroscopic technique for in-situ monitoring of chemical processes and surface analysis is described. Samples are spread onto a fiber contained in a teflon-lined cell. Attenuated total internal reflectance (AIR) measurement with a Fourier transform infrared (FTIR) spectrometer yields spectra at various stages of a process (for example, the monitoring of adhesive curing and coupling agent polymerization). Changes in known spectroscopic features may be recognized in films as thin as a monolayer. The advantages and limitations of this surface analysis technique are discussed.

Paper Details

Date Published: 2 June 1989
PDF: 8 pages
Proc. SPIE 1048, Infrared Fiber Optics, (2 June 1989); doi: 10.1117/12.951395
Show Author Affiliations
E. Margalit, Tel-Aviv University (Israel)
H. Dodiuk, Tel-Aviv University (Israel)
E. M. Kosower, Tel-Aviv University (Israel)
A. Katzir, Tel-Aviv University (Israel)

Published in SPIE Proceedings Vol. 1048:
Infrared Fiber Optics
James A. Harrington; Abraham Katzir, Editor(s)

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