{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T04:26:31Z","timestamp":1784262391682,"version":"3.55.0"},"reference-count":103,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2016,7,22]],"date-time":"2016-07-22T00:00:00Z","timestamp":1469145600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.mdpi.com"],"crossmark-restriction":true},"short-container-title":["Sensors"],"abstract":"<jats:p>During recent decades, minimally invasive thermal treatments (i.e., Radiofrequency ablation, Laser ablation, Microwave ablation, High Intensity Focused Ultrasound ablation, and Cryo-ablation) have gained widespread recognition in the field of tumor removal. These techniques induce a localized temperature increase or decrease to remove the tumor while the surrounding healthy tissue remains intact. An accurate measurement of tissue temperature may be particularly beneficial to improve treatment outcomes, because it can be used as a clear end-point to achieve complete tumor ablation and minimize recurrence. Among the several thermometric techniques used in this field, fiber optic sensors (FOSs) have several attractive features: high flexibility and small size of both sensor and cabling, allowing insertion of FOSs within deep-seated tissue; metrological characteristics, such as accuracy (better than 1 \u00b0C), sensitivity (e.g., 10 pm\u00b7\u00b0C\u22121 for Fiber Bragg Gratings), and frequency response (hundreds of kHz), are adequate for this application; immunity to electromagnetic interference allows the use of FOSs during Magnetic Resonance- or Computed Tomography-guided thermal procedures. In this review the current status of the most used FOSs for temperature monitoring during thermal procedure (e.g., fiber Bragg Grating sensors; fluoroptic sensors) is presented, with emphasis placed on their working principles and metrological characteristics. The essential physics of the common ablation techniques are included to explain the advantages of using FOSs during these procedures.<\/jats:p>","DOI":"10.3390\/s16071144","type":"journal-article","created":{"date-parts":[[2016,7,22]],"date-time":"2016-07-22T09:54:45Z","timestamp":1469181285000},"page":"1144","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":212,"title":["Fiber Optic Sensors for Temperature Monitoring during Thermal Treatments: An Overview"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9696-1265","authenticated-orcid":false,"given":"Emiliano","family":"Schena","sequence":"first","affiliation":[{"name":"Universita\u2019 Campus Bio-Medico di Roma, Unit of Measurements and Biomedical Instrumentation, via Alvaro del Portillo 21, 00128 Roma, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6500-4964","authenticated-orcid":false,"given":"Daniele","family":"Tosi","sequence":"additional","affiliation":[{"name":"School of Engineering, Nazarbayev University, 53 Kabanbay Batyr, 01000 Astana, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4236-8033","authenticated-orcid":false,"given":"Paola","family":"Saccomandi","sequence":"additional","affiliation":[{"name":"Institute of Image-Guided Surgery (IHU), S\/c Ircad, 1 place de l\u2019H\u00f4pital, 67091 Strasbourg Cedex, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4174-7090","authenticated-orcid":false,"given":"Elfed","family":"Lewis","sequence":"additional","affiliation":[{"name":"Optical Fibre Sensors Research Centre (OFSRC), University of Limerick, V94 T9PX Limerick, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taesung","family":"Kim","sequence":"additional","affiliation":[{"name":"School of Mechanical Engineering &amp; SAINT, Sungkyunkwan University, 53 Myeongnyun-dong 3-ga, Jongno-gu, 110-745 Suwon, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2016,7,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1148\/radiol.10081634","article-title":"Principles of and advances in percutaneous ablation","volume":"258","author":"Ahmed","year":"2011","journal-title":"Radiology"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"728","DOI":"10.1148\/radiol.2353042205","article-title":"Image-guided Tumor Ablation: Standardization of Terminology and Reporting Criteria 1","volume":"235","author":"Goldberg","year":"2005","journal-title":"Radiology"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1007\/s00330-009-1532-1","article-title":"Real-time monitoring of radiofrequency ablation of liver tumors using thermal-dose calculation by MR temperature imaging: Initial results in nine patients, including follow-up","volume":"20","author":"Laumonier","year":"2010","journal-title":"Eur. 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