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Dehnungen messen mit Laserlicht

 
: Höfling, R.; Aswendt, P.

Microtecnic (1994), Nr.3, S.50-51
ISSN: 0026-2854
Deutsch
Zeitschriftenaufsatz
Fraunhofer IWU ()
application; Applikationsbeispiel; Dehnungsmessung; faseroptisches Meßsystem; fiber optic measuring system; speckle metrology; Specklemeßtechnik; strain measurement

Abstract
Coherent laser light is used to measure strain in a non-contacting manner. Combining speckle pattern interferometry with digital image processing yields highly accurate strain data comparable with conventional gauges if quasi-static load is applied. The miniaturized measuring head is described and examples of application are given.

: http://publica.fraunhofer.de/dokumente/PX-9122.html