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Revealing stress-induced changes equivalence between polarization-sensitive optical coherence tomography and polarimetric camera measurements

Abstract: Polarization-Sensitive Optical Coherence Tomography (PS-OCT) is a widely-used technique for high-resolution material characterization since it allows for real-time structural analysis and imperfections identification. Nevertheless, when the sample is too big or imperfections are not on the micrometric scale, PS-OCT imaging can become too complex to be performed on a regular basis. Alternatively, polarimetric camera (PCam) imaging can obtain polarization measurements of a sample at a macroscopic scale, allowing for a faster and cheaper inspection of the sample. In doing so, the depth-profiling capabilities of PS-OCT would be forfeited, as well as the ability to measure other than the linear polarization qualities of the light beam. This paper compares the data that can be easily extracted from a PCam, with the complete and more complex characterization of the polarization of light that can be obtained with a PS-OCT device. The comparison of both systems is assessed through the evaluation of their performance when measuring different stress states of a sample.

 Autoría: Mieites V., Gutiérrez-Gutiérrez J.A., Pardo A., López-Higuera J.M., Conde O.M.,

 Fuente: Optics and Lasers in Engineering, 2024, 175, 107985

Editorial: Elsevier

 Fecha de publicación: 01/04/2024

Nº de páginas: 12

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.optlaseng.2023.107985

ISSN: 0143-8166,1873-0302

 Proyecto español: PID2019-107270RB-C21

Url de la publicación: https://doi.org/10.1016/j.optlaseng.2023.107985

Autoría

VERONICA MIEITES ALONSO

ARTURO PARDO FRANCO