{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:19:16Z","timestamp":1760235556090,"version":"build-2065373602"},"reference-count":161,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2021,9,2]],"date-time":"2021-09-02T00:00:00Z","timestamp":1630540800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UID\/05975\/2020","UIDB\/50014\/2020"],"award-info":[{"award-number":["UID\/05975\/2020","UIDB\/50014\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this work, we review the most important achievements of INESC TEC related to the properties and applications of arc-induced long-period fiber gratings. The polarization dependence loss, the spectral behavior at temperatures ranging from cryogenic up to 1200 \u00b0C and under exposure to ultraviolet and gamma radiation is described. The dependence of gratings sensitivity on the fabrication parameters is discussed. Several applications in optical communications and sensing domains are referred.<\/jats:p>","DOI":"10.3390\/s21175914","type":"journal-article","created":{"date-parts":[[2021,9,6]],"date-time":"2021-09-06T13:18:26Z","timestamp":1630934306000},"page":"5914","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Arc-Induced Long-Period Fiber Gratings at INESC TEC. Part II: Properties and Applications in Optical Communications and Sensing"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8807-4108","authenticated-orcid":false,"given":"Gaspar","family":"Rego","sequence":"first","affiliation":[{"name":"ProMetheus, Instituto Polit\u00e9cnico de Viana do Castelo, Rua Escola Industrial e Comercial Nun\u2019\u00c1lvares, 4900-347 Viana do Castelo, Portugal"},{"name":"Center for Applied Photonics, INESC TEC, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3223-9783","authenticated-orcid":false,"given":"Paulo","family":"Caldas","sequence":"additional","affiliation":[{"name":"ProMetheus, Instituto Polit\u00e9cnico de Viana do Castelo, Rua Escola Industrial e Comercial Nun\u2019\u00c1lvares, 4900-347 Viana do Castelo, Portugal"},{"name":"Center for Applied Photonics, INESC TEC, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal"}]},{"given":"Oleg V.","family":"Ivanov","sequence":"additional","affiliation":[{"name":"Ulyanovsk Branch of Kotel\u2019nikov Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Ulitsa Goncharova 48, 432071 Ulyanovsk, Russia"},{"name":"Ulyanovsk State University, Ulitsa L. 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