{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T08:36:11Z","timestamp":1776328571134,"version":"3.50.1"},"reference-count":88,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2017,6,21]],"date-time":"2017-06-21T00:00:00Z","timestamp":1498003200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"North Portugal Regional Operational Programme (NORTE 2020)","award":["NORTE-01-0145-FEDER-000036"],"award-info":[{"award-number":["NORTE-01-0145-FEDER-000036"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biosensors"],"abstract":"<jats:p>A metrological assessment of grating-based optical fiber sensors is proposed with the aim of providing an objective evaluation of the performance of this sensor category. Attention was focused on the most common parameters, used to describe the performance of both optical refractometers and biosensors, which encompassed sensitivity, with a distinction between volume or bulk sensitivity and surface sensitivity, resolution, response time, limit of detection, specificity (or selectivity), reusability (or regenerability) and some other parameters of generic interest, such as measurement uncertainty, accuracy, precision, stability, drift, repeatability and reproducibility. Clearly, the concepts discussed here can also be applied to any resonance-based sensor, thus providing the basis for an easier and direct performance comparison of a great number of sensors published in the literature up to now. In addition, common mistakes present in the literature made for the evaluation of sensor performance are highlighted, and lastly a uniform performance assessment is discussed and provided. Finally, some design strategies will be proposed to develop a grating-based optical fiber sensing scheme with improved performance.<\/jats:p>","DOI":"10.3390\/bios7020023","type":"journal-article","created":{"date-parts":[[2017,6,22]],"date-time":"2017-06-22T02:39:15Z","timestamp":1498099155000},"page":"23","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":372,"title":["Towards a Uniform Metrological Assessment of Grating-Based Optical Fiber Sensors: From Refractometers to Biosensors"],"prefix":"10.3390","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3169-7395","authenticated-orcid":false,"given":"Francesco","family":"Chiavaioli","sequence":"first","affiliation":[{"name":"Institute of Applied Physics \u201cNello Carrara\u201d, IFAC-CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy"}]},{"given":"Carlos","family":"Gouveia","sequence":"additional","affiliation":[{"name":"Institute for Systems and Computer Engineering, Technology and Science, INESC-TEC, Rua do Campo Alegre 687, Porto 4169-007, Portugal"},{"name":"Institute INESC P&amp;D Brasil, Rua Jos\u00e9 Caballero, 15, Gonzaga, 11055-300 Santos, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1484-2068","authenticated-orcid":false,"given":"Pedro","family":"Jorge","sequence":"additional","affiliation":[{"name":"Institute for Systems and Computer Engineering, Technology and Science, INESC-TEC, Rua do Campo Alegre 687, Porto 4169-007, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2689-5952","authenticated-orcid":false,"given":"Francesco","family":"Baldini","sequence":"additional","affiliation":[{"name":"Institute of Applied Physics \u201cNello Carrara\u201d, IFAC-CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2017,6,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1109\/JSEN.2001.954831","article-title":"A contribution on some basic definitions of sensors properties","volume":"1","year":"2001","journal-title":"IEEE Sens. 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