{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:12:47Z","timestamp":1760235167040,"version":"build-2065373602"},"reference-count":20,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2021,7,26]],"date-time":"2021-07-26T00:00:00Z","timestamp":1627257600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100009448","name":"Universit\u00e0 degli Studi della Campania Luigi Vanvitelli","doi-asserted-by":"publisher","award":["Programma Valere"],"award-info":[{"award-number":["Programma Valere"]}],"id":[{"id":"10.13039\/501100009448","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>We demonstrate the use of a graded-index perfluorinated optical fiber (GI-POF) for distributed static and dynamic strain measurements based on Rayleigh scattering. The system is based on an amplitude-based phase-sensitive Optical Time-Domain Reflectometry (\u03d5-OTDR) configuration, operated at the unconventional wavelength of 850 nm. Static strain measurements have been carried out at a spatial resolution of 4 m and for a strain up to 3.5% by exploiting the increase of the backscatter Rayleigh coefficient consequent to the application of a tensile strain, while vibration\/acoustic measurements have been demonstrated for a sampling frequency up to 833 Hz by exploiting the vibration-induced changes in the backscatter Rayleigh intensity time-domain traces arising from coherent interference within the pulse. The reported tests demonstrate that polymer optical fibers can be used for cost-effective multiparameter sensing.<\/jats:p>","DOI":"10.3390\/s21155049","type":"journal-article","created":{"date-parts":[[2021,7,26]],"date-time":"2021-07-26T09:25:52Z","timestamp":1627291552000},"page":"5049","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Distributed Static and Dynamic Strain Measurements in Polymer Optical Fibers by Rayleigh Scattering"],"prefix":"10.3390","volume":"21","author":[{"given":"Agnese","family":"Coscetta","sequence":"first","affiliation":[{"name":"Department of Engineering, Universit\u00e0 della Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy"}]},{"given":"Ester","family":"Catalano","sequence":"additional","affiliation":[{"name":"Department of Engineering, Universit\u00e0 della Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6170-9924","authenticated-orcid":false,"given":"Enis","family":"Cerri","sequence":"additional","affiliation":[{"name":"Department of Engineering, Universit\u00e0 della Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7973-6891","authenticated-orcid":false,"given":"Ricardo","family":"Oliveira","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8804-593X","authenticated-orcid":false,"given":"Lucia","family":"Bilro","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8356-7480","authenticated-orcid":false,"given":"Luigi","family":"Zeni","sequence":"additional","affiliation":[{"name":"Department of Engineering, Universit\u00e0 della Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7769-0984","authenticated-orcid":false,"given":"Nunzio","family":"Cennamo","sequence":"additional","affiliation":[{"name":"Department of Engineering, Universit\u00e0 della Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8966-9143","authenticated-orcid":false,"given":"Aldo","family":"Minardo","sequence":"additional","affiliation":[{"name":"Department of Engineering, Universit\u00e0 della Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2021,7,26]]},"reference":[{"key":"ref_1","unstructured":"Hartog, H.A. 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