{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T19:41:20Z","timestamp":1777059680841,"version":"3.51.4"},"reference-count":18,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2014,8,29]],"date-time":"2014-08-29T00:00:00Z","timestamp":1409270400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A linearized wavelength-swept thermo-optic laser chip was applied to demonstrate a fiber Bragg grating (FBG) sensor interrogation system. A broad tuning range of 11.8 nm was periodically obtained from the laser chip for a sweep rate of 16 Hz. To measure the linear time response of the reflection signal from the FBG sensor, a programmed driving signal was directly applied to the wavelength-swept laser chip. The linear wavelength response of the applied strain was clearly extracted with an R-squared value of 0.99994. To test the feasibility of the system for dynamic measurements, the dynamic strain was successfully interrogated with a repetition rate of 0.2 Hz by using this FBG sensor interrogation system.<\/jats:p>","DOI":"10.3390\/s140916109","type":"journal-article","created":{"date-parts":[[2014,8,29]],"date-time":"2014-08-29T10:37:19Z","timestamp":1409308639000},"page":"16109-16116","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["A Fiber Bragg Grating Sensor Interrogation System Based on a Linearly Wavelength-Swept Thermo-Optic Laser Chip"],"prefix":"10.3390","volume":"14","author":[{"given":"Hyung-Seok","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Cogno-Mechatronics Engineering, World Class University Program, Pusan National University, Busan, 609-735, Korea"}]},{"given":"Hwi","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Cogno-Mechatronics Engineering, World Class University Program, Pusan National University, Busan, 609-735, Korea"}]},{"given":"Hyo","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Production Engineering Research Institute, LG Electronics, Pyeongtaek-si, 451-713, Korea"}]},{"given":"Jae","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, University of California Irvine, CA 92612, USA"}]},{"given":"Myung","family":"Jeong","sequence":"additional","affiliation":[{"name":"Department of Cogno-Mechatronics Engineering, World Class University Program, Pusan National University, Busan, 609-735, Korea"}]},{"given":"Chang-Seok","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Cogno-Mechatronics Engineering, World Class University Program, Pusan National University, Busan, 609-735, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2014,8,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1442","DOI":"10.1109\/50.618377","article-title":"Fiber Grating Sensors","volume":"15","author":"Kersey","year":"1997","journal-title":"J. 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