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27th International Conference on Optical Fiber Sensors最新文献

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Magnetic Sensor Based on Terfenol-D Materials and a Mach-Zehnder Interferometer 基于Terfenol-D材料和马赫-曾德干涉仪的磁传感器
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.61
Wentao Zhang, Minggan Lou, Wenzhu Huang, Huicong Li, Qiong Wu
{"title":"Magnetic Sensor Based on Terfenol-D Materials and a Mach-Zehnder Interferometer","authors":"Wentao Zhang, Minggan Lou, Wenzhu Huang, Huicong Li, Qiong Wu","doi":"10.1364/ofs.2022.th4.61","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.61","url":null,"abstract":"A fiber magnetic sensor based on terfenol-D materials and a mach-zehnder interferometer is proposed and experimentally tested. The terfenol-D is coupled with an arm of the interferometer.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"28 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114037260","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
Parallel FBGs in Sapphire Fiber for High Temperature Sensing 用于高温传感的蓝宝石光纤平行fbg
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.25
Guannan Shi, G. Pickrell, Anbo Wang, Yizheng Zhu
{"title":"Parallel FBGs in Sapphire Fiber for High Temperature Sensing","authors":"Guannan Shi, G. Pickrell, Anbo Wang, Yizheng Zhu","doi":"10.1364/ofs.2022.th4.25","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.25","url":null,"abstract":"This paper presents parallel FBGs in sapphire fiber to significantly boost the signal intensity of high order FBGs. Cascaded parallel FBGs are fabricated and achieve multi-point high temperature sensing.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"86 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":"123068846","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
Noise suppression of DAS seismic data with cross-shape multi-head self-attention mechanism 基于十字形多头自注意机制的DAS地震数据噪声抑制
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w4.47
Lishan Ji, Bing Han, Qiang Jing, Yunjiang Rao, Huijuan Wu
{"title":"Noise suppression of DAS seismic data with cross-shape multi-head self-attention mechanism","authors":"Lishan Ji, Bing Han, Qiang Jing, Yunjiang Rao, Huijuan Wu","doi":"10.1364/ofs.2022.w4.47","DOIUrl":"https://doi.org/10.1364/ofs.2022.w4.47","url":null,"abstract":"Self-attention mechanism can help neural networks pay more attention to noise. By using cross-shaped multi-head self-attention mechanism, we construct a neural network to improve the quality of distributed acoustic sensing signals in oil/gas exploration effectively.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"44 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":"123892189","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 acoustic sensing with linear phase measurement at 49.1 km by dual-pulse φ-OTDR 采用双脉冲φ-OTDR在49.1 km处进行线性相位测量的分布式声传感
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.50
M. Yildiz, Faruk Uyar, Tolga Kartaloğlu, E. Ozbay, I. Ozdur
{"title":"Distributed acoustic sensing with linear phase measurement at 49.1 km by dual-pulse φ-OTDR","authors":"M. Yildiz, Faruk Uyar, Tolga Kartaloğlu, E. Ozbay, I. Ozdur","doi":"10.1364/ofs.2022.th4.50","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.50","url":null,"abstract":"We demonstrate the performance of dual-pulse φ-OTDR system at nearby and far-away distances, i.e. at 1.2 km and 49.1 km, in detecting and linearly retrieving the acoustic signal with proper dual-pulse probe lengths.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"108 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":"124065245","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
Intrinsic Fabry-Perot Interferometer Fiber Sensor Array for Hydrogen Sensing at Room and High Temperatures 室温和高温下用于氢传感的本征法布里-珀罗干涉仪光纤传感器阵列
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.45
Rongtao Cao, Jingyu Wu, Mohan Wang, Jieru Zhao, Yang Yang, Kevin P. Chen
{"title":"Intrinsic Fabry-Perot Interferometer Fiber Sensor Array for Hydrogen Sensing at Room and High Temperatures","authors":"Rongtao Cao, Jingyu Wu, Mohan Wang, Jieru Zhao, Yang Yang, Kevin P. Chen","doi":"10.1364/ofs.2022.th4.45","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.45","url":null,"abstract":"This paper presents multi-point hydrogen fiber sensors using Intrinsic Fabry-Perot interferometer (IFPI) as sensor platforms. Pd-doped TiO2 nano-porous coating was used to detect hydrogen at room temperature and 750°C.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"38 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":"127854911","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
Precision Measurement of Carbon Dioxide Isotope Ratio and Ammonia based on Photo-thermal Spectroscopy in a Hollow-Core Fiber 基于光热光谱的空心芯光纤中二氧化碳同位素比和氨的精确测量
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th1.5
Shoulin Jiang, Feifan Chen, Shou-fei Gao, Ying‐ying Wang, H. Ho, W. Jin
{"title":"Precision Measurement of Carbon Dioxide Isotope Ratio and Ammonia based on Photo-thermal Spectroscopy in a Hollow-Core Fiber","authors":"Shoulin Jiang, Feifan Chen, Shou-fei Gao, Ying‐ying Wang, H. Ho, W. Jin","doi":"10.1364/ofs.2022.th1.5","DOIUrl":"https://doi.org/10.1364/ofs.2022.th1.5","url":null,"abstract":"We demonstrate a hollow-core fiber photo-thermal gas sensor at 2 μm which is capable of detection carbon dioxide isotope ratio with precision of 0.38‰ and ammonia with detection limit of 4.6 ppb.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"10 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":"121036101","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
Increasing the Distance Range of Repeaterless Brillouin-OTDR to 250 km by Optical Amplification 利用光学放大技术将无中继布里渊- otdr的距离范围提高到250公里
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w1.3
Tomin Joy, T. Jostmeier, B. Marx, W. Hill
{"title":"Increasing the Distance Range of Repeaterless Brillouin-OTDR to 250 km by Optical Amplification","authors":"Tomin Joy, T. Jostmeier, B. Marx, W. Hill","doi":"10.1364/ofs.2022.w1.3","DOIUrl":"https://doi.org/10.1364/ofs.2022.w1.3","url":null,"abstract":"We demonstrate extension of the distance range of repeaterless Brillouin-OTDR distributed sensing to 250 km by using optical amplification. A single-side interrogation scheme is employed without fiber loops or electrical power on the route.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"18 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":"129273306","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: 3
Multispectral portable optical fiber reflectometer for indirect detection of Mycoplasma synoviae poultry flock infection 多光谱便携式光纤反射仪间接检测禽群滑膜支原体感染
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.th4.34
W. Żołnowski, A. Pakuła, S. Paśko, P. Marć, M. Życzkowski, L. Jaroszewicz
{"title":"Multispectral portable optical fiber reflectometer for indirect detection of Mycoplasma synoviae poultry flock infection","authors":"W. Żołnowski, A. Pakuła, S. Paśko, P. Marć, M. Życzkowski, L. Jaroszewicz","doi":"10.1364/ofs.2022.th4.34","DOIUrl":"https://doi.org/10.1364/ofs.2022.th4.34","url":null,"abstract":"Previous measurements have shown that the changes in reflective properties of chicken eggshells allow the classification of their origin: healthy or Mycoplasma synoviae (M.S.) infected hens. The presented portable multispectral optical fiber reflectometer can be used for early M.S. detection in a flock by back-reflected light measurement using a multispectral system.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"36 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":"129395622","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
Fiber Optic Distributed Sensing for Ship Hull Monitoring on the Expeditionary Fast Transport Ship 光纤分布式传感在远征快速运输船船体监测中的应用
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w2.5
Caitlin R. S. Williams, Joseph D. Hart, S. Meiselman, Sanjay R. Varma, J. W. Lou, Charles G. Pelzman, G. Miller, G. Cranch
{"title":"Fiber Optic Distributed Sensing for Ship Hull Monitoring on the Expeditionary Fast Transport Ship","authors":"Caitlin R. S. Williams, Joseph D. Hart, S. Meiselman, Sanjay R. Varma, J. W. Lou, Charles G. Pelzman, G. Miller, G. Cranch","doi":"10.1364/ofs.2022.w2.5","DOIUrl":"https://doi.org/10.1364/ofs.2022.w2.5","url":null,"abstract":"Distributed fiber optic strain and temperature measurements are demonstrated on an Expeditionary Fast Transport ship during normal operation for real-time condition monitoring.","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":"116768977","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
An efficient DAS signal recognition method in complicated urban environments 复杂城市环境下一种高效的DAS信号识别方法
27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI: 10.1364/ofs.2022.w4.21
Xinyu Liu, Yufeng Wang, Liang Liu, Yunlin Tu, Yuwen Sun, Huijuan Wu, Yunjiang Rao
{"title":"An efficient DAS signal recognition method in complicated urban environments","authors":"Xinyu Liu, Yufeng Wang, Liang Liu, Yunlin Tu, Yuwen Sun, Huijuan Wu, Yunjiang Rao","doi":"10.1364/ofs.2022.w4.21","DOIUrl":"https://doi.org/10.1364/ofs.2022.w4.21","url":null,"abstract":"An attention-based ResNet model is proposed for DAS signal recognition, by focusing on the key time-frequency information through feature attention of channel and local structure. The best recognition accuracy and computation efficiency are simultaneously achieved.","PeriodicalId":265406,"journal":{"name":"27th International Conference on Optical Fiber Sensors","volume":"19 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":"114177705","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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