{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T07:45:51Z","timestamp":1772696751841,"version":"3.50.1"},"reference-count":23,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2023,9,8]],"date-time":"2023-09-08T00:00:00Z","timestamp":1694131200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Research Initiation Project of Zhejiang Laboratory","award":["2022ME0PI01"],"award-info":[{"award-number":["2022ME0PI01"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This paper reports a fiber in-line Fabry\u2013Perot interferometer (FPI) fabricated in a no-core fiber using the direct femtosecond laser writing technique for high-temperature sensing applications. Two in-line reflectors are directly inscribed in a no-core fiber to construct a low-finesse FPI. Fringe visibility greater than 10 dB is obtained from the reflection spectra of the fabricated no-core fiber FPIs. Temperature responses of a prototype no-core fiber FPI are characterized up to 1000 \u00b0C. The proposed configuration is compact and easy to fabricate, making it attractive for sensing applications in high-temperature harsh environments.<\/jats:p>","DOI":"10.3390\/s23187754","type":"journal-article","created":{"date-parts":[[2023,9,8]],"date-time":"2023-09-08T08:01:30Z","timestamp":1694160090000},"page":"7754","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Fs-Laser Fabricated Miniature Fabry\u2013Perot Interferometer in a No-Core Fiber for High-Temperature Applications"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3256-7330","authenticated-orcid":false,"given":"Chen","family":"Zhu","sequence":"first","affiliation":[{"name":"Research Center for Optical Fiber Sensing, Zhejiang Laboratory, Hangzhou 311100, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0389-2716","authenticated-orcid":false,"given":"Osamah","family":"Alsalman","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8659-2910","authenticated-orcid":false,"given":"Jie","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA"}]}],"member":"1968","published-online":{"date-parts":[[2023,9,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"7451","DOI":"10.3390\/s140407451","article-title":"Chronology of Fabry-Perot interferometer fiber-optic sensors and their applications: A review","volume":"14","author":"Islam","year":"2014","journal-title":"Sensors"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"6406","DOI":"10.1109\/JSEN.2023.3244820","article-title":"Advances in Fiber-Optic Extrinsic Fabry-Perot Interferometric Physical and Mechanical Sensors: A Review","volume":"23","author":"Zhu","year":"2023","journal-title":"IEEE Sens. 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