Fabry-Perot cavity for curvature measurement in a medical needle
Fabry-Perot cavity for curvature measurement in a medical needle
| dc.contributor.author | Novais, Susana | |
| dc.contributor.author | Silva, Susana O. | |
| dc.contributor.author | Frazão, Orlando | |
| dc.date.accessioned | 2019-10-28T11:25:53Z | |
| dc.date.available | 2019-10-28T11:25:53Z | |
| dc.date.issued | 2019-08-28 | |
| dc.description.abstract | A reflective fiber optic sensor based on a Fabry-Perot cavity made by splicing two sections of multimode fiber is demonstrated to measure the needle curvature. The sensing structure was incorporated into a medical needle and characterized for curvature and temperature measurements. The maximum sensitivity of -0.152dB/m-1 was obtained to the curvature measurements, with a resolution of 0.089m-1. When subjected to temperature, the sensing head presented a low temperature sensitivity, which resulted in a small cross-sensitivity. | en_US |
| dc.description.sponsorship | This work is financed by the ERDF – European Regional Development Fund through the Operational Programme for Competitiveness and Internationalization - COMPETE 2020 Programme and by National Funds through the Portuguese funding agency, FCT - Fundação para a Ciência e a Tecnologia within project ENDOR - Endoscope based on New Optical Fibre Technology for Raman Spectroscopy (POCI-01-0145-FEDER-029724). | en_US |
| dc.identifier.other | doi: 10.1117/12.2540504 | |
| dc.identifier.uri | http://repositorio.inesctec.pt/handle/123456789/10207 | |
| dc.language | eng | en |
| dc.publisher | SPIE | en_US |
| dc.relation.ispartofseries | 111991B; | |
| dc.subject | Curvature sensing | en_US |
| dc.subject | Fabry-Perot microcavities | en_US |
| dc.subject | graded-index | en_US |
| dc.subject | fiber optic sensors | en_US |
| dc.title | Fabry-Perot cavity for curvature measurement in a medical needle | en_US |
| dc.type | article | en_US |
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