A three-component fiber optic seismic sensor array is installed in subway tunnel for intrusion detection. The interrogation of the sensors is phase generation carrier (PGC). The field test is carried out in Shenzhen Metro.
{"title":"Subway tunnel intrusion detection based on fiber optic seismic sensor array","authors":"Wentao Zhang, Jiantao Huang, Wenzhu Huang, Gaoran Guo, Fang Li, Yan-liang Du","doi":"10.1364/FTS.2019.JTH2A.32","DOIUrl":"https://doi.org/10.1364/FTS.2019.JTH2A.32","url":null,"abstract":"A three-component fiber optic seismic sensor array is installed in subway tunnel for intrusion detection. The interrogation of the sensors is phase generation carrier (PGC). The field test is carried out in Shenzhen Metro.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"216 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132523070","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}
Pub Date : 2019-06-25DOI: 10.1364/FTS.2019.JW3A.25
T. Gasmi
We present a Q-switched Nd:YAG-OPO based differential absorption lidar for the detection of methane in the mid-infrared region (3.0-4.5) µm. Measurements depict urban methane measurements that exhibited diurnal fluctuations in concentration levels.
{"title":"Optical Parametric Oscillator Based Differential Absorption Lidar for Tropospheric Methane Concentration Measurement","authors":"T. Gasmi","doi":"10.1364/FTS.2019.JW3A.25","DOIUrl":"https://doi.org/10.1364/FTS.2019.JW3A.25","url":null,"abstract":"We present a Q-switched Nd:YAG-OPO based differential absorption lidar for the detection of methane in the mid-infrared region (3.0-4.5) µm. Measurements depict urban methane measurements that exhibited diurnal fluctuations in concentration levels.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130479162","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}
Pub Date : 2019-06-25DOI: 10.1364/SENSORS.2019.STU2D.5
Ben Lariviere, Katherine S. Garman, N. L. Ferguson, D. Fisher, N. Jokerst
Spatially resolved diffuse reflectance spectroscopy of normal and cancerous ex-vivo human colon tissue using a thin film Si photodiode array sensor is presented as a step toward the realization of in-vivo endoscopic spectral tissue characterization.
{"title":"Spatially Resolved Diffuse Reflectance Spectroscopy of Tumor and Normal Excised Human Colon with Thin Film Si Sensors","authors":"Ben Lariviere, Katherine S. Garman, N. L. Ferguson, D. Fisher, N. Jokerst","doi":"10.1364/SENSORS.2019.STU2D.5","DOIUrl":"https://doi.org/10.1364/SENSORS.2019.STU2D.5","url":null,"abstract":"Spatially resolved diffuse reflectance spectroscopy of normal and cancerous ex-vivo human colon tissue using a thin film Si photodiode array sensor is presented as a step toward the realization of in-vivo endoscopic spectral tissue characterization.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134079438","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}
Pub Date : 2019-06-25DOI: 10.1364/SENSORS.2019.SW6C.3
J. W. Lou, S. Meiselman, G. Cranch
The optical frequency of the light shift effect for an optically-pumped vapor vector magnetometer is shown to cause an angular error when it is tuned near the absorption resonance, countering the benefit of higher response.
{"title":"Optical Light Shift for Vector Vapor Magnetometry","authors":"J. W. Lou, S. Meiselman, G. Cranch","doi":"10.1364/SENSORS.2019.SW6C.3","DOIUrl":"https://doi.org/10.1364/SENSORS.2019.SW6C.3","url":null,"abstract":"The optical frequency of the light shift effect for an optically-pumped vapor vector magnetometer is shown to cause an angular error when it is tuned near the absorption resonance, countering the benefit of higher response.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134120139","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}
Pub Date : 2019-06-25DOI: 10.1364/FTS.2019.FTU2B.5
K. Walker, P. Sheese, C. Boone, D. Flittner, R. Damadeo
This paper will compare NO2 data from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) with correlative data from the new Stratospheric Aerosol and Gas Experiment III on the International Space Station (SAGE III/ISS).
{"title":"Comparisons of Nitrogen Dioxide Profiles from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) and Stratospheric Aerosol and Gas Experiment (SAGE) III","authors":"K. Walker, P. Sheese, C. Boone, D. Flittner, R. Damadeo","doi":"10.1364/FTS.2019.FTU2B.5","DOIUrl":"https://doi.org/10.1364/FTS.2019.FTU2B.5","url":null,"abstract":"This paper will compare NO2 data from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) with correlative data from the new Stratospheric Aerosol and Gas Experiment III on the International Space Station (SAGE III/ISS).","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131567127","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}
Pub Date : 2019-06-25DOI: 10.1364/SENSORS.2019.STH4A.4
T. Boilard, S. Morency, Y. Messaddeq, R. Fortier, F. Trépanier, M. Bernier
We report trans-jacket femtosecond laser inscription of an array of 18 FBGs distributed over 70 nm with a single uniform phase-mask by controlling the applied strain to the fiber during laser writing.
{"title":"Trans-jacket inscription of robust FBG sensors for directional and distributed strain measurement","authors":"T. Boilard, S. Morency, Y. Messaddeq, R. Fortier, F. Trépanier, M. Bernier","doi":"10.1364/SENSORS.2019.STH4A.4","DOIUrl":"https://doi.org/10.1364/SENSORS.2019.STH4A.4","url":null,"abstract":"We report trans-jacket femtosecond laser inscription of an array of 18 FBGs distributed over 70 nm with a single uniform phase-mask by controlling the applied strain to the fiber during laser writing.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115784563","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}
Pub Date : 2019-06-25DOI: 10.1364/SENSORS.2019.SW5D.5
Á. González-Vila, Shunshuo Cai, T. Guo, C. Caucheteur
Surface plasmon resonance excitation is achieved with palladium-coated tilted fiber Bragg gratings. The sensors are able to detect hydrogen leaks at concentrations way below the lower explosive limit of the gas.
{"title":"Hydrogen detection with plasmonic palladium-coated tilted fiber Bragg gratings","authors":"Á. González-Vila, Shunshuo Cai, T. Guo, C. Caucheteur","doi":"10.1364/SENSORS.2019.SW5D.5","DOIUrl":"https://doi.org/10.1364/SENSORS.2019.SW5D.5","url":null,"abstract":"Surface plasmon resonance excitation is achieved with palladium-coated tilted fiber Bragg gratings. The sensors are able to detect hydrogen leaks at concentrations way below the lower explosive limit of the gas.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114303797","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}
An all-organic waveguide sensor for volatile solver detecting was presented. Device consists of SU-8 waveguide with novel organic material used as sensitive cladding. Created device was tested in isopropanol and N2 vapor mixture.
{"title":"Asymmetrical all-organic waveguide gas sensor","authors":"A. Bundulis, E. Nitiss, M. Rutkis","doi":"10.1364/ES.2019.EW2A.3","DOIUrl":"https://doi.org/10.1364/ES.2019.EW2A.3","url":null,"abstract":"An all-organic waveguide sensor for volatile solver detecting was presented. Device consists of SU-8 waveguide with novel organic material used as sensitive cladding. Created device was tested in isopropanol and N2 vapor mixture.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114396492","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}
Pub Date : 2019-06-25DOI: 10.1364/SENSORS.2019.STU4D.4
Yundong Ren, Mucheng Li, P. Rao, Yuxiang Liu
We designed, fabricated, and characterized a lossy mode resonance based optical fiber-tip moisture sensor. We experimentally demonstrated the sensor’s capability of in-situ moisture content monitoring within food samples during their drying process.
{"title":"Lossy Mode Resonance based Optical Fiber-Tip Moisture Sensor in Foods","authors":"Yundong Ren, Mucheng Li, P. Rao, Yuxiang Liu","doi":"10.1364/SENSORS.2019.STU4D.4","DOIUrl":"https://doi.org/10.1364/SENSORS.2019.STU4D.4","url":null,"abstract":"We designed, fabricated, and characterized a lossy mode resonance based optical fiber-tip moisture sensor. We experimentally demonstrated the sensor’s capability of in-situ moisture content monitoring within food samples during their drying process.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"177 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114806755","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}
Pub Date : 2019-06-25DOI: 10.1364/FTS.2019.JW3A.23
Tian Zhaoshuo, Fan Yi, Bi Zongjie, Zhang Yanchao, Wang Ling, Fu Shiyou
Oil film on water surface is excited by laser and its spectral data are transmitted wirelessly to the mobile phone via Bluetooth. Oil film thickness value and spectral curve can display on APP interface simultaneously.
{"title":"Oil Film Thickness Measurement by Laser Induced Spectrum Method Based on Android Platform","authors":"Tian Zhaoshuo, Fan Yi, Bi Zongjie, Zhang Yanchao, Wang Ling, Fu Shiyou","doi":"10.1364/FTS.2019.JW3A.23","DOIUrl":"https://doi.org/10.1364/FTS.2019.JW3A.23","url":null,"abstract":"Oil film on water surface is excited by laser and its spectral data are transmitted wirelessly to the mobile phone via Bluetooth. Oil film thickness value and spectral curve can display on APP interface simultaneously.","PeriodicalId":174423,"journal":{"name":"Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)","volume":"154 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117031921","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}