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The Effects of Gravity and an Axial Magnetic Field on the Crystallization of ZBLAN Glass 重力和轴向磁场对ZBLAN玻璃结晶的影响
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.tu2.1
D. Tucker
{"title":"The Effects of Gravity and an Axial Magnetic Field on the Crystallization of ZBLAN Glass","authors":"D. Tucker","doi":"10.1364/ofs.2022.tu2.1","DOIUrl":"https://doi.org/10.1364/ofs.2022.tu2.1","url":null,"abstract":"ZBLAN (ZrF4-BaF2-LaF3-AlF3-NaF) glass is of great interest due to its potential low loss characteristic which is an order of magnitude greater than fused silica. However, it is a fragile glass with a tendency to crystallize which affects the loss coefficient. Results are given showing that microgravity and an axial magnetic field suppress crystallization.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121120787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Strain measurement based on Brillouin gain spectrum under non-uniform strain using neural network 基于非均匀应变下布里渊增益谱的神经网络应变测量
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.19
H. Naruse, T. Kurokawa, S. Narieda
{"title":"Strain measurement based on Brillouin gain spectrum under non-uniform strain using neural network","authors":"H. Naruse, T. Kurokawa, S. Narieda","doi":"10.1364/ofs.2022.th4.19","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.19","url":null,"abstract":"This study proposes a strain measurement method based on the Brillouin gain spectrum under nonuniform strain using a neural network. The basic measurement characteristics are investigated via simulations. Additionally, high-accuracy and high-speed measurements are verified.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127185933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Force Measurement Using 3-D Curvature Sensing Based on Multicore FBG inside Catheter and Two-Photon Absorption Process in Si-APD 基于导管内多芯光纤光栅和Si-APD双光子吸收过程的三维曲率传感力测量
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.38
Rei Takagi, Runa Sekiguchi, Naohiro Sonoda, T. Wakayama, Yosuke Tanaka
{"title":"Force Measurement Using 3-D Curvature Sensing Based on Multicore FBG inside Catheter and Two-Photon Absorption Process in Si-APD","authors":"Rei Takagi, Runa Sekiguchi, Naohiro Sonoda, T. Wakayama, Yosuke Tanaka","doi":"10.1364/ofs.2022.th4.38","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.38","url":null,"abstract":"We have experimentally investigated feasibility of force measurement based on three-dimensional curvature measurement using a multi-core fiber Bragg grating in a medical catheter along with two-photon absorption process in a silicon avalanche photodiode.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"209 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125960051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fluorescence based Polymer Optical Fiber Cortisol Sensor for Aquaculture 水产养殖用荧光聚合物光纤皮质醇传感器
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w4.51
Vivek Semwal, Jonas Højgaard, Emil Møller, J. Janting
{"title":"Fluorescence based Polymer Optical Fiber Cortisol Sensor for Aquaculture","authors":"Vivek Semwal, Jonas Højgaard, Emil Møller, J. Janting","doi":"10.1364/ofs.2022.w4.51","DOIUrl":"https://doi.org/10.1364/ofs.2022.w4.51","url":null,"abstract":"Our aim is an efficient online cortisol sensor for aquaculture. We present a polymer optical fiber sensor design for cortisol using a competitive assay consisting of fluorophore tagged cortisol and a cortisol aptamer.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114915033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distributed Temperature Sensing Data Analysis to Prevent Erosion and Estimate Depth-of-Cover 分布式温度传感数据分析，防止侵蚀和估计覆盖深度
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w4.7
F. Ravet, Alexandre Goy, E. Rochat
{"title":"Distributed Temperature Sensing Data Analysis to Prevent Erosion and Estimate Depth-of-Cover","authors":"F. Ravet, Alexandre Goy, E. Rochat","doi":"10.1364/ofs.2022.w4.7","DOIUrl":"https://doi.org/10.1364/ofs.2022.w4.7","url":null,"abstract":"Erosion is a natural hazard that threatens transportation infrastructures. DTS can be used to detect and localize erosion. A correlation analysis is introduced to quantify erosion and to spatially profile the soil cover.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122165671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Selective Laser Melting In Situ Temperature Monitoring Using Femtosecond Point-by-Point Fiber Bragg Gratings 利用飞秒点逐点光纤光栅进行激光熔化现场温度监测
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w4.8
A. Lerner, Quentin Pouille, A. Ladaci, R. Cotillard, F. Lomello, P. Aubry, H. Maskrot, G. Bouwmans, G. Laffont
{"title":"Selective Laser Melting In Situ Temperature Monitoring Using Femtosecond Point-by-Point Fiber Bragg Gratings","authors":"A. Lerner, Quentin Pouille, A. Ladaci, R. Cotillard, F. Lomello, P. Aubry, H. Maskrot, G. Bouwmans, G. Laffont","doi":"10.1364/ofs.2022.w4.8","DOIUrl":"https://doi.org/10.1364/ofs.2022.w4.8","url":null,"abstract":"Dynamic temperature monitoring along a stainless steel specimen additively manufactured by selective laser melting was performed using point-by-point written femtosecond Fiber Bragg Gratings packaged in a metallic capillary.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128984847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Hermetic Fiber Sensor Packaging through Pressure Boundary for Harsh Environment Applications 通过压力边界的密封光纤传感器封装在恶劣环境中的应用
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w4.66
Shuda Zhong, Kehao Zhao, Zhichun Fan, Wu Jingyu, Yuqi Li, Qirui Wang, Kevin P. Chen
{"title":"Hermetic Fiber Sensor Packaging through Pressure Boundary for Harsh Environment Applications","authors":"Shuda Zhong, Kehao Zhao, Zhichun Fan, Wu Jingyu, Yuqi Li, Qirui Wang, Kevin P. Chen","doi":"10.1364/ofs.2022.w4.66","DOIUrl":"https://doi.org/10.1364/ofs.2022.w4.66","url":null,"abstract":"This paper presents a hermetic fiber sensor packaging technique using glass sealants through pressure boundaries for harsh environment applications. The embedded fiber sensors are leak-proof at 1MPa at temperatures up to 220oC.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130397019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Towards ultra-stable DAS measurements 迈向超稳定DAS测量
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.26
Pedro J. Vidal-Moreno, E. Rochat, M. Fernández-Ruiz, H. Martins, S. Martín-López, Manuel Ocaña, M. González-Herráez
{"title":"Towards ultra-stable DAS measurements","authors":"Pedro J. Vidal-Moreno, E. Rochat, M. Fernández-Ruiz, H. Martins, S. Martín-López, Manuel Ocaña, M. González-Herráez","doi":"10.1364/ofs.2022.th4.26","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.26","url":null,"abstract":"Distributed acoustic sensors cumulatively measure fiber variations, introducing a 1/f noise that makes long-term measurements impossible. We present an “absolute” measurement method that allows accurate single-shot measurements at frequencies from <0.1 μHz to acoustic frequencies.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"520 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116180789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thin–Film–Modified Optical Fiber Fabry–Perot Interferometer for Refractive Index Sensing 用于折射率传感的薄膜型光纤法布里-珀罗干涉仪
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.51
D. Burnat, Olga Kochanowska, P. Sezemský, V. Stranak, M. Koba, M. Śmietana
{"title":"Thin–Film–Modified Optical Fiber Fabry–Perot Interferometer for Refractive Index Sensing","authors":"D. Burnat, Olga Kochanowska, P. Sezemský, V. Stranak, M. Koba, M. Śmietana","doi":"10.1364/ofs.2022.th4.51","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.51","url":null,"abstract":"A sensor formed on the fiber tip by deposition of two films showing high-refractive-index contrast results in well-defined reflection minimum shifting in wavelength independently as a response to refractive index change and film growth.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124100334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
25 Million Sensing Measurements Per Second Using Quasi-Integer Ratio Time-Expanded φOTDR 准整数比扩时φOTDR每秒2500万次传感测量
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.tu1.2
M. Soriano-Amat, H. Martins, V. Durán, S. Martín-López, M. González-Herráez, M. Fernández-Ruiz
{"title":"25 Million Sensing Measurements Per Second Using Quasi-Integer Ratio Time-Expanded φOTDR","authors":"M. Soriano-Amat, H. Martins, V. Durán, S. Martín-López, M. González-Herráez, M. Fernández-Ruiz","doi":"10.1364/ofs.2022.tu1.2","DOIUrl":"https://doi.org/10.1364/ofs.2022.tu1.2","url":null,"abstract":"We demonstrate the detection of strain perturbations along a 500 m optical fiber with 2 cm spatial resolution and 1 kHz sampling frequency via quasi-integer-ratio time-expanded φOTDR, requiring less than 100 MHz photodetection bandwidth.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127756053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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