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Proceedings Paper

The Confocal Raman AFM: a powerful tool for the characterization of surface coatings
Author(s): U. Schmidt; W. Ibach; J. Mueller; O. Hollricher
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Paper Abstract

The combination of an atomic force microscope (AFM) and a Confocal Raman Microscope (CRM) has been used to study various surface coatings. The high spatial resolution of the AFM enables the morphological characterization of the top layer of the coating with molecular resolution. Raman spectroscopy provides additional information on the chemical composition of the coatings. In combination with a confocal microscope, the spatial distribution of the various phases can be determined with a resolution down to 200 nm. Therefore, the topographically different structures observed in AFM images can be associated to the chemical composition by using the Confocal Raman Microscope (CRM). In addition, the confocal setup of the CRM provides insight into the multi-layer structure of coatings without laborious sample preparation.

Paper Details

Date Published: 18 June 2007
PDF: 6 pages
Proc. SPIE 6616, Optical Measurement Systems for Industrial Inspection V, 66160E (18 June 2007); doi: 10.1117/12.726059
Show Author Affiliations
U. Schmidt, WITec GmbH (Germany)
W. Ibach, WITec GmbH (Germany)
J. Mueller, WITec GmbH (Germany)
O. Hollricher, WITec GmbH (Germany)

Published in SPIE Proceedings Vol. 6616:
Optical Measurement Systems for Industrial Inspection V
Wolfgang Osten; Christophe Gorecki; Erik L. Novak, Editor(s)

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