{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T15:18:00Z","timestamp":1778167080025,"version":"3.51.4"},"reference-count":35,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2017,10,23]],"date-time":"2017-10-23T00:00:00Z","timestamp":1508716800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Fiber Bragg gratings are widely used optical fiber sensors for measuring temperature and\/or mechanical strain. Nevertheless, the high cost of the interrogation systems is the most important drawback for their large commercial application. In this work, an in-line Fabry\u2013Perot interferometer based edge filter is explored in the interrogation of fiber Bragg grating dynamic measurements up to 5 kHz. Two devices an accelerometer and an arterial pulse wave probe were interrogated with the developed approach and the results were compared with a commercial interrogation monitor. The data obtained with the edge filter are in agreement with the commercial device, with a maximum RMSE of 0.05 being able to meet the requirements of the measurements. Resolutions of 3.6 pm and 2.4 pm were obtained, using the optical accelerometer and the arterial pulse wave probe, respectively.<\/jats:p>","DOI":"10.3390\/s17102414","type":"journal-article","created":{"date-parts":[[2017,10,23]],"date-time":"2017-10-23T12:20:24Z","timestamp":1508761224000},"page":"2414","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":75,"title":["Low-Cost Interrogation Technique for Dynamic Measurements with FBG-Based Devices"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9657-5076","authenticated-orcid":false,"given":"Camilo","family":"D\u00edaz","sequence":"first","affiliation":[{"name":"Telecommunications Laboratory LABTEL, Electrical Engineering Department, Federal University of Esp\u00edrito Santo, 29075-910 Esp\u00edrito Santo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6331-1215","authenticated-orcid":false,"given":"C\u00e1tia","family":"Leit\u00e3o","sequence":"additional","affiliation":[{"name":"Department of Physics & I3N, University of Aveiro, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"},{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8596-5092","authenticated-orcid":false,"given":"Carlos","family":"Marques","sequence":"additional","affiliation":[{"name":"Department of Physics & I3N, University of Aveiro, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"},{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9958-0409","authenticated-orcid":false,"given":"M.","family":"Domingues","sequence":"additional","affiliation":[{"name":"Department of Physics & I3N, University of Aveiro, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"},{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8176-7953","authenticated-orcid":false,"given":"N\u00e9lia","family":"Alberto","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"},{"name":"Centre for Mechanical Technology and Automation, Department of Mechanical Engineering, University of Aveiro, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9009-2425","authenticated-orcid":false,"given":"Maria","family":"Pontes","sequence":"additional","affiliation":[{"name":"Telecommunications Laboratory LABTEL, Electrical Engineering Department, Federal University of Esp\u00edrito Santo, 29075-910 Esp\u00edrito Santo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0687-3967","authenticated-orcid":false,"given":"Anselmo","family":"Frizera","sequence":"additional","affiliation":[{"name":"Telecommunications Laboratory LABTEL, Electrical Engineering Department, Federal University of Esp\u00edrito Santo, 29075-910 Esp\u00edrito Santo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9149-2391","authenticated-orcid":false,"given":"Mois\u00e9s","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"Telecommunications Laboratory LABTEL, Electrical Engineering Department, Federal University of Esp\u00edrito Santo, 29075-910 Esp\u00edrito Santo, Brazil"}]},{"given":"Paulo","family":"Andr\u00e9","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering and Instituto de Telecomunica\u00e7\u00f5es, Instituto Superior T\u00e9cnico, University of Lisbon, 1049-001 Lisbon, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9129-3539","authenticated-orcid":false,"given":"Paulo","family":"Antunes","sequence":"additional","affiliation":[{"name":"Department of Physics & I3N, University of Aveiro, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"},{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2017,10,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"9803","DOI":"10.1364\/AO.55.009803","article-title":"Envelope-based technique for liquid level sensors using an in-line fiber Mach-Zehnder interferometer","volume":"55","author":"Ribeiro","year":"2016","journal-title":"Appl. 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