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Interferometric measurement of thermal expansion

✍ Scribed by V. Kurzmann; J. Stöhr; M. Tochtrop; R. Kassing

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
282 KB
Volume
122
Category
Article
ISSN
0921-5093

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✦ Synopsis

The temporal and spatial propagation of heat in a dielectric medium has been studied by observing the thermal expansion using a differential laser interferometer which was initially built for profilometry. It is demonstrated that topographical and thermal information can be obtained simultaneously. Measurements were compared with calculations using a simple model and found to be in good agreement.

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