D Stifter et al 2008 Meas. Sci. Technol. 19 074011 doi:10.1088/0957-0233/19/7/074011
D Stifter1, K Wiesauer1, M Wurm1, E Schlotthauer2, J Kastner2, M Pircher3, E Götzinger3 and C K Hitzenberger3
Show affiliationsOptical coherence tomography (OCT), a technique originally proposed for applications in the field of biomedical diagnostics, is shown to be an efficient measurement technique for a multitude of problems posed in technical engineering and material research. Especially advanced OCT modifications, involving ultrahigh-resolution (UHR) imaging and fast Fourier-domain (FD) techniques, show promising potential, as successfully demonstrated in this paper by a variety of applications from the field of polymer materials. Thin polymer films and multilayer structures as well as polymer blends and fibre-reinforced polymer composites are successfully evaluated by means of UHR-OCT and FD-OCT performed at different wavelengths. In addition, comparative measurements have been performed with confocal microscopy and synchrotron computed tomography to show the potential and advantages of the OCT measurement technique.
81.70.Fy Nondestructive testing: optical methods
42.30.Va Image forming and processing
42.30.Wb Image reconstruction; tomography
Soft matter, liquids and polymers
Issue 7 (July 2008)
Received 13 August 2007, in final form 23 October 2007
Published 23 May 2008
D Stifter et al 2008 Meas. Sci. Technol. 19 074011
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