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

 
: Vetterlein, T.; Bendjus, B.

Gorecki, C.; Preater, R.W.T. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optical measurements and sensors for the process industries : 20-22 June 1994, Frankfurt
Bellingham/Wash.: SPIE, 1994 (SPIE Proceedings Series 2248)
ISBN: 0-8194-1554-5
S.326-330
Optical Measurements and Sensors for the Process Industry <1994, Frankfurt>
Englisch
Konferenzbeitrag
Fraunhofer IZFP ()
nondestructive testing; optothermal hybrid microscopy; radiation characteristics; sensors; surface damage; surface inspection

Abstract
In the testing technology and analysis, laiser aided lightoptical methods are increasing the convential 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.

: http://publica.fraunhofer.de/dokumente/PX-4381.html