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Monitoring of advanced composite weave structures using multi-axis fiber grating strain sensors 利用多轴光纤光栅应变传感器监测高级复合材料编织结构
Pacific Northwest Fiber Optic Sensor Workshop Pub Date : 2003-11-13 DOI: 10.1117/12.544457
Katy Davol, E. Udd, S. Kreger, M. Kunzler, M. Laylor, D. Heider, Zhicheng Yu
{"title":"Monitoring of advanced composite weave structures using multi-axis fiber grating strain sensors","authors":"Katy Davol, E. Udd, S. Kreger, M. Kunzler, M. Laylor, D. Heider, Zhicheng Yu","doi":"10.1117/12.544457","DOIUrl":"https://doi.org/10.1117/12.544457","url":null,"abstract":"The feasibility of using multi-axis fiber grating strain sensors to monitor transverse strain and transverse strain gradients to complex, woven composite structures has been evaluated. This paper overviews the multi-axis fiber optic grating strain sensors and how they can be applied to measuring multidimensional strain fields interior to composite parts with complex composite weave structures. Experimental results are given for the case of a bi-axially woven composite coupon as well as for an E-glass/epoxy composite sample.","PeriodicalId":121422,"journal":{"name":"Pacific Northwest Fiber Optic Sensor Workshop","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125184654","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: 7
Real-time damage assessment using fiber optic grating sensors 利用光纤光栅传感器进行实时损伤评估
Pacific Northwest Fiber Optic Sensor Workshop Pub Date : 2003-11-13 DOI: 10.1117/12.544455
S. Calvert, J. Conte, B. Moaveni, W. Schulz, R. D. de Callafon
{"title":"Real-time damage assessment using fiber optic grating sensors","authors":"S. Calvert, J. Conte, B. Moaveni, W. Schulz, R. D. de Callafon","doi":"10.1117/12.544455","DOIUrl":"https://doi.org/10.1117/12.544455","url":null,"abstract":"Over the past few years Blue Road Research and the University of California at San Diego have been collaborating to develop a bridge health monitoring system using long gage length fiber optic strain sensors and modal analysis. Two programs supporting this effort have been funded by the National Science Foundation and from this work several papers have been published showing its strong progress1-5. In 2002, the Federal Highway Administration and Caltrans performed a full-scale test on some of the components that will be used for the planned I-5/Gilman Advanced technology Bridge in California, USA. As a part of this test Blue Road Research used its developmental system to validate the use of this damage detection technique and to compare the results with conventional modal analysis tools.","PeriodicalId":121422,"journal":{"name":"Pacific Northwest Fiber Optic Sensor Workshop","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125322998","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: 9
Nondestructive evaluation of composite materials using multi-axis fiber grating stain sensors 基于多轴光纤光栅染色传感器的复合材料无损评价
Pacific Northwest Fiber Optic Sensor Workshop Pub Date : 2003-11-13 DOI: 10.1117/12.544357
E. Udd, S. Kreger, S. Calvert, M. Kunzler, Tad Taylor
{"title":"Nondestructive evaluation of composite materials using multi-axis fiber grating stain sensors","authors":"E. Udd, S. Kreger, S. Calvert, M. Kunzler, Tad Taylor","doi":"10.1117/12.544357","DOIUrl":"https://doi.org/10.1117/12.544357","url":null,"abstract":"Fiber optic sensors may be used to monitor strain and temperature in composite materials. These measurements can be useful in determining rate and degree of cure of composite. Multi-dimensional strain measurements enabled by fiber gratings written onto polarization maintaining optical fiber enable monitoring changes in transverse strain, transverse strain gradients, and shear strain internal to composites and adhesive joints. This paper provides a brief historical overview of the usage of fiber sensors to provide strain measurements in composite parts, leading eventually to multi-axis strain sensing.","PeriodicalId":121422,"journal":{"name":"Pacific Northwest Fiber Optic Sensor Workshop","volume":"45 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131020539","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
Traffic monitoring using fiber optic grating sensors on the I-84 freeway and future uses in WIM I-84高速公路上使用光纤光栅传感器的交通监控及其在WIM中的未来应用
Pacific Northwest Fiber Optic Sensor Workshop Pub Date : 2003-11-13 DOI: 10.1117/12.544456
M. Kunzler, E. Udd, Tad Taylor, W. Kunzler
{"title":"Traffic monitoring using fiber optic grating sensors on the I-84 freeway and future uses in WIM","authors":"M. Kunzler, E. Udd, Tad Taylor, W. Kunzler","doi":"10.1117/12.544456","DOIUrl":"https://doi.org/10.1117/12.544456","url":null,"abstract":"Blue Road Research has demonstrated the use of fiber optic Bragg grating sensors in roads and highways to develop traffic sensors that could count and classify traffic usage on roadways, providing statistical information for maintenance, safety, and growth. This paper reviews the progress by Blue Road Research that led to installation of traffic sensors on the I-84 freeway and outlines the benefits of developing a fiber optic weigh-in-motion sensor.","PeriodicalId":121422,"journal":{"name":"Pacific Northwest Fiber Optic Sensor Workshop","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121872287","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: 23
Wavelength stability of sweepmeter-based tunable laser spectrometer 基于扫频计的可调谐激光光谱仪波长稳定性研究
Pacific Northwest Fiber Optic Sensor Workshop Pub Date : 2003-11-13 DOI: 10.1117/12.544458
K. Vogel, C. Myatt
{"title":"Wavelength stability of sweepmeter-based tunable laser spectrometer","authors":"K. Vogel, C. Myatt","doi":"10.1117/12.544458","DOIUrl":"https://doi.org/10.1117/12.544458","url":null,"abstract":"Optical fiber sensors must compete in performance with traditional electronic sensors, such as quartz crystal pressure and temperature monitors. The precision of commercial electronic sensors can reach the parts-per-billion (ppb) level. To test the precision of a laser based spectrometer system, repeated measurements of an absorption line of a molecular gas cell were made. The Allan deviation is computed, and it is shown that the laser interrogation system, built completely out of commercially available components, can achieve precision at the 10-ppb level.","PeriodicalId":121422,"journal":{"name":"Pacific Northwest Fiber Optic Sensor Workshop","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129684457","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
Inertial sensor components using polymer waveguide technology 惯性传感器组件采用聚合物波导技术
Pacific Northwest Fiber Optic Sensor Workshop Pub Date : 2003-11-13 DOI: 10.1117/12.544393
M. Temmen, P. Ashley
{"title":"Inertial sensor components using polymer waveguide technology","authors":"M. Temmen, P. Ashley","doi":"10.1117/12.544393","DOIUrl":"https://doi.org/10.1117/12.544393","url":null,"abstract":"Polymer technology for use in Inertial Sensor systems can provide a method for a much higher level of integration as compared to systems using lithium niobate modulator technology. Performance approaches the same level as LiNbO3 while additionally providing a much lower cost of manufacture. Integration of polymer structures for couplers and modulators are discussed with some concepts for complete monolithic integration of all components and prototype assemblies.","PeriodicalId":121422,"journal":{"name":"Pacific Northwest Fiber Optic Sensor Workshop","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127413971","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: 4
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