Roughness measurements using optical coherence tomography: a preliminary study

Gheorghe Hutiu; Alexandru-Lucian Dimb; Virgil-Florin Duma; Dorin Demian; Adrian Bradu; Adrian Gh. Podoleanu

doi:10.1117/12.2282807

10 August 2018 Roughness measurements using optical coherence tomography: a preliminary study

Gheorghe Hutiu, Alexandru-Lucian Dimb, Virgil-Florin Duma, Dorin Demian, Adrian Bradu, Adrian Gh. Podoleanu

Proceedings Volume 10831, Seventh International Conference on Lasers in Medicine; 108310S (2018) https://doi.org/10.1117/12.2282807
Event: Seventh International Conference on Lasers in Medicine, 2017, Timisoara, Romania

Abstract

To determine the roughness is an important aspect in both industrial and biomedical applications. We propose and utilize for roughness evaluations, a non-destructive evaluation methods, Optical Coherence Tomography (OCT). For the metallic surfaces investigated from this point of view, the Ra and Rz parameters are utilized, according to ISO 4287/1988. Also, according to ISO 4280 and ISO 3274 standards, the measurements have been made on 12.5 mm portions. In order to accommodate such evaluations with the specific OCT field-of-view, four consecutive OCT images have been made for each sample, and an appropriate processing of the data collected from the surface profiles has been made. A validation of the results obtained with OCT has been completed with the gold standard for such evaluations, using a contact mechanical method, with a Mitutuyo profiler.

Citation Download Citation

Gheorghe Hutiu, Alexandru-Lucian Dimb, Virgil-Florin Duma, Dorin Demian, Adrian Bradu, and Adrian Gh. Podoleanu "Roughness measurements using optical coherence tomography: a preliminary study", Proc. SPIE 10831, Seventh International Conference on Lasers in Medicine, 108310S (10 August 2018); https://doi.org/10.1117/12.2282807

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KEYWORDS

Optical coherence tomography

Standards development

Optical testing

Surface roughness

MATLAB

Radium

Excel

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