A. Minardo, E. Catalano, R. Vallifuoco, L. Zeni, R. Bernini, M. Caponero, A. Castaldo, G. de Marzi, A. Masi, C. Mazzotta, A. Polimadei
{"title":"Distributed cryogenic temperature sensing through Brillouin optical frequency-domain analysis","authors":"A. Minardo, E. Catalano, R. Vallifuoco, L. Zeni, R. Bernini, M. Caponero, A. Castaldo, G. de Marzi, A. Masi, C. Mazzotta, A. Polimadei","doi":"10.1117/12.2678097","DOIUrl":null,"url":null,"abstract":"We present the results of an experimental campaign aimed at demonstrating the use of a distributed optical fiber sensor based on Brillouin scattering in static and dynamic temperature measurements at cryogenic temperatures (≈ 84 K). The experimental results, obtained through Brillouin Optical Frequency-Domain Analysis (BOFDA) at a spatial resolution of 16 mm, are compared with temperature measurements using thermocouples and fiber Bragg gratings. The distributed sensor is able to capture local temperature variations of ≈ 2 °C at an acquisition rate of 1 Hz.","PeriodicalId":424244,"journal":{"name":"European Workshop on Optical Fibre Sensors","volume":"12643 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Workshop on Optical Fibre Sensors","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2678097","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We present the results of an experimental campaign aimed at demonstrating the use of a distributed optical fiber sensor based on Brillouin scattering in static and dynamic temperature measurements at cryogenic temperatures (≈ 84 K). The experimental results, obtained through Brillouin Optical Frequency-Domain Analysis (BOFDA) at a spatial resolution of 16 mm, are compared with temperature measurements using thermocouples and fiber Bragg gratings. The distributed sensor is able to capture local temperature variations of ≈ 2 °C at an acquisition rate of 1 Hz.