Mechanical characterization of optical-fiber coatings by ultramicroindentation measurements

Abstract

A new method is described for in situ determination of the viscoelastic properties of optical-fiber coatings. The creep function of such a coating is deduced from measurement of the penetration depth of a spherical indenter after applying a very low loading force. The method is illustrated with results on layers with different curing times and on various types of soft buffer coating.

© 1985 Optical Society of America

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