{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T10:39:28Z","timestamp":1774348768961,"version":"3.50.1"},"reference-count":12,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p>Experimental method of temperature and strain discrimination with fiber Bragg gratings (FBGs) sensors embedded in carbon fiber-reinforced plastic is proposed. The method is based on two-fiber technique, when two FBGs inscribed in different fibers with different sensitivities to strain and\/or temperature are placed close to each other and act as a single sensing element. The nonlinear polynomial approximation of Bragg wavelength shift as a function of temperature and strain is presented for this method. The FBGs were inscribed with femtosecond laser by point-by-point inscription technique through polymer cladding of the fiber. The comparison of linear and nonlinear approximation accuracies for array of embedded sensors is performed. It is shown that the use of nonlinear approximation gives 1.5\u20132 times better accuracy. The obtained accuracies of temperature and strain measurements are 2.6\u20133.8\u00b0C and 50\u201383\u2009<jats:italic>\u03bc\u03b5<\/jats:italic>in temperature and strain range of 30\u2013120\u00b0C and 0\u2013400\u2009<jats:italic>\u03bc\u03b5<\/jats:italic>, respectively.<\/jats:p>","DOI":"10.1155\/2016\/3230968","type":"journal-article","created":{"date-parts":[[2016,4,28]],"date-time":"2016-04-28T17:22:44Z","timestamp":1461864164000},"page":"1-6","source":"Crossref","is-referenced-by-count":8,"title":["Experimental Method of Temperature and Strain Discrimination in Polymer Composite Material by Embedded Fiber-Optic Sensors Based on Femtosecond-Inscribed FBGs"],"prefix":"10.1155","volume":"2016","author":[{"given":"Victor V.","family":"Shishkin","sequence":"first","affiliation":[{"name":"Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences, 1 Academician Koptug Avenue, Novosibirsk 630090, Russia"},{"name":"Inversion Sensor Co., Ltd., 106 25 Oktyabrya Street, Perm 614990, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vadim S.","family":"Terentyev","sequence":"additional","affiliation":[{"name":"Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences, 1 Academician Koptug Avenue, Novosibirsk 630090, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Denis S.","family":"Kharenko","sequence":"additional","affiliation":[{"name":"Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences, 1 Academician Koptug Avenue, Novosibirsk 630090, Russia"},{"name":"Inversion Sensor Co., Ltd., 106 25 Oktyabrya Street, Perm 614990, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandr V.","family":"Dostovalov","sequence":"additional","affiliation":[{"name":"Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences, 1 Academician Koptug Avenue, Novosibirsk 630090, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexey A.","family":"Wolf","sequence":"additional","affiliation":[{"name":"Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences, 1 Academician Koptug Avenue, Novosibirsk 630090, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victor A.","family":"Simonov","sequence":"additional","affiliation":[{"name":"Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences, 1 Academician Koptug Avenue, Novosibirsk 630090, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mikhail Yu.","family":"Fedotov","sequence":"additional","affiliation":[{"name":"All-Russian Scientific Research Institute of Aviation Materials, 17 Radio Street, Moscow 105005, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anton M.","family":"Shienok","sequence":"additional","affiliation":[{"name":"All-Russian 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