Application of optothermal hybrid microscopy in nondestructive and noncontact testing of coatings

T. Vetterlein; Beatrice Bendjus

doi:10.1117/12.194348

15 November 1994 Application of optothermal hybrid microscopy in nondestructive and noncontact testing of coatings

T. Vetterlein, Beatrice Bendjus

Author Affiliations +

Proceedings Volume 2248, Optical Measurements and Sensors for the Process Industries; (1994) https://doi.org/10.1117/12.194348
Event: Optics for Productivity in Manufacturing, 1994, Frankfurt, Germany

Abstract

In the testing technology and analysis, laser aided lightoptical methods are increasing the conventional testing methods in a multivarious way. The opto-thermal hybrid microscope is a device which gives one the possibility to reveal point imperfection; for example in surface coatings. Also a differentiation between surface- and sub-surface defects can be performed, by comparing the thermal surface radiation with the intensity of the reflected part of the exiting light.

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T. Vetterlein and Beatrice Bendjus "Application of optothermal hybrid microscopy in nondestructive and noncontact testing of coatings", Proc. SPIE 2248, Optical Measurements and Sensors for the Process Industries, (15 November 1994); https://doi.org/10.1117/12.194348

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