{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T11:00:10Z","timestamp":1768561210648,"version":"3.49.0"},"reference-count":13,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2014,10,8]],"date-time":"2014-10-08T00:00:00Z","timestamp":1412726400000},"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>A sensitivity-improved fiber-optic strain sensor using an etched and regenerated fiber Bragg grating (ER-FBG) suitable for a large range of temperature measurements has been proposed and experimentally demonstrated. The process of chemical etching (from 125 \u00b5m to 60 \u00b5m) provides regenerated gratings (at a temperature of 680 \u00b0C) with a stronger reflective intensity (from 43.7% to 69.8%), together with an improved and linear strain sensitivity (from 0.9 pm\/\u03bc\u03b5 to 4.5 pm\/\u03bc\u03b5) over a large temperature range (from room temperature to 800 \u00b0C), making it a useful strain sensor for high temperature environments.<\/jats:p>","DOI":"10.3390\/s141018575","type":"journal-article","created":{"date-parts":[[2014,10,8]],"date-time":"2014-10-08T11:07:14Z","timestamp":1412766434000},"page":"18575-18582","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Sensitivity-Improved Strain Sensor over a Large Range of Temperatures Using an Etched and Regenerated Fiber  Bragg Grating"],"prefix":"10.3390","volume":"14","author":[{"given":"Yupeng","family":"Wang","sequence":"first","affiliation":[{"name":"School of Physics, Northwest University, Xi'an, Shaanxi 710069, China"}]},{"given":"Xueguang","family":"Qiao","sequence":"additional","affiliation":[{"name":"School of Physics, Northwest University, Xi'an, Shaanxi 710069, China"}]},{"given":"Hangzhou","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Physics, Northwest University, Xi'an, Shaanxi 710069, China"}]},{"given":"Dan","family":"Su","sequence":"additional","affiliation":[{"name":"School of Physics, Northwest University, Xi'an, Shaanxi 710069, China"}]},{"given":"Ling","family":"Li","sequence":"additional","affiliation":[{"name":"School of Physics, Northwest University, Xi'an, Shaanxi 710069, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6189-1335","authenticated-orcid":false,"given":"Tuan","family":"Guo","sequence":"additional","affiliation":[{"name":"Institute of Photonics Technology, Jinan University, Guangzhou 510632, China"}]}],"member":"1968","published-online":{"date-parts":[[2014,10,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Bai, Z.Y., and Zhang, W.G. (2014). Simultaneous measurement of strain and temperature using a long period fiber grating based on waist-enlarged fusion bitapers. J. Opt., 16.","DOI":"10.1088\/2040-8978\/16\/4\/045401"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1645","DOI":"10.1109\/JLT.2012.2188094","article-title":"Simultaneous measurement for displacement and temperature using fiber Bragg grating cladding mode based on core diameter mismatch","volume":"30","author":"Rong","year":"2012","journal-title":"J. Light. Technol."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"323","DOI":"10.1364\/OL.37.000323","article-title":"Reflective fiber-optic refractometer based on a thin-corefiber tailored Bragg grating reflection","volume":"37","author":"Ma","year":"2012","journal-title":"Opt. 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