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Tuesday, August 4, 2020 | History

2 edition of Optical fiber sensors for the non-destructive evaluation of materials found in the catalog.

Optical fiber sensors for the non-destructive evaluation of materials

Optical fiber sensors for the non-destructive evaluation of materials

final report, January-December 1986

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Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in Blacksburg, Va. : Virginia Polytechnic Institute and State University, [Washington, D.C, Springfield, Va .
Written in English


Edition Notes

Statementprepared by Fiber and Electrooptics Research Center, Dept. of Electrical Engineering, Virginia Tech
SeriesNASA contractor report -- NASA CR-180557
ContributionsVirginia Polytechnic Institute and State University. Fiber and Electrooptics Research Center, United States. National Aeronautics and Space Administration
The Physical Object
FormatMicroform
Pagination1 v
ID Numbers
Open LibraryOL14980136M

The flagship monthly journal of SPIE, Optical Engineering (OE) publishes peer-reviewed papers reporting on research and development in all areas of optics, photonics, and imaging science and engineering. Proceedings of the 22nd Course of the International School of Quantum Electronics, held 27 November-2 December , in Erice, Italy. In recent years, fiber optical sensors and optical microsystems have assumed a significant role in sensing and measurement of many kinds. These optical.

The rapid improvement of the Fiber Optic Sensor technology for strain, vibration, ultrasonic and acoustic emission measurements in recent times makes it feasible alternative to the traditional strain gauges, PVDF and conventional Piezoelectric sensors used for Non Destructive Evaluation (NDE) and Structural Health Monitoring (SHM). Oct 17,  · The current chapter introduces a wide range of non-destructive evaluation (NDE) inspection techniques currently used for the assessment of structures. Such techniques may be broadly classed as either Cited by: 7.

Optical sorting (sometimes called digital sorting) is the automated process of sorting solid products using cameras and/or lasers. Depending on the types of sensors used and the software-driven intelligence of the image processing system, optical sorters can recognize objects' color, size, shape, structural properties and chemical composition. Jul 16,  · Nondestructive Evaluation Program Manager. Eric Burke is a research and development physicist at NASA Langley Research Center where he serves as the deputy Nondestructive Evaluation (NDE) Program manager for NASA’s Office of Safety and Mission Assurance.


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Optical fiber sensors for the non-destructive evaluation of materials Download PDF EPUB FB2

Description: This book is the first to address the field of structurally integrated fiber optic sensors. Fiber optic sensors embedded within materials and systems are able to measure a variety of parameters (i.e.

temperature, vibration, deformation, strain, etc.) that allows for real time non-destructive evaluation. A.-D. Nguyen, V. Godinez, in Corrosion Control in the Aerospace Industry, Fiber optic sensor for health monitoring.

Optical fiber sensors can be incorporated into structures to provide health monitoring, providing strain, temperature, acoustic emission, and ultrasonic wave information indicating when crack and corrosion occur and where.

This paper reviews the operating principles, sensor types, benefits and applications of optical fiber sensors for non-destructive testing of materials and structures in different fields such as.

The fiber Fabry–Perot sensor (Kist et al., ; Lee and Taylor, ) is a useful sensing device because it is an inline sensing element (see Figure ).It is essentially an optical cavity that is defined by two semireflecting parallel mirrors (see Figure ).More usually, the Fabry–Perot cavity (at least in bulk optic form) has highly reflecting mirrors of reflectivity R such that.

The resistance and stiffness of these materials are directly related to their fiber orientation. Thus, efficient approaches to assess their fiber orientation are in demand.

In this paper, a non-destructive evaluation method is applied to assess the fiber orientation on laminates reinforced with randomly-oriented strands.

Purchase Trends in Optical Non-Destructive Testing and Inspection - 1st Edition. Print Book. ISBN Trends in Optical Non-Destructive Testing and Inspection; Trends in Optical Non-Destructive Testing and Inspection Application of Fiber Optic Sensors to.

Get this from a library. Optical fiber sensors for the non-destructive evaluation of materials: final report, January-December [Virginia Polytechnic Institute and State University. Fiber and Electrooptics Research Center.; United States.

National Aeronautics and Space Administration.;]. describes new optical materials that are be ing investi gated for the Optical Fiber Sensors: An Overview. Dong S, Liao Y, & Tian Q. Non-destructive evaluation of metallic.

Aug 08,  · Optical fibre sensing is usually used as a non-destructive testing method at multiple locations for long time monitoring, for single or multiple parameters like temperature and strain.

To monitor the status of a large object or system, like a natural gas pipeline, multiple discrete optical fiber sensors are placed at different locations of the Cited by: Fiber optic sensors in concrete structures: a review.

Authors; Authors and affiliations has resulted in the need for improved techniques for non-destructive evaluation of the structural health of reinforced concrete. Morse, T.

and Méndez, F. () Applications of embedded optical fiber sensors in reinforced concrete buildings and Cited by: Sensors, an international, peer-reviewed Open Access journal. Politecnico di Bari - DICATECh Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica (italian) Technical University of Bari- DICATECh - Department of Civil, Environmental, Land, Building Engineering and Chemistry Via E.

Orabona, 4 - Bari, Italy. SPIE Micro+Nano Materials, Devices, and Applications Ubeid M. Shabat M. "Analytical sensitivity and reflected power through a D-shape optical fibre sensor." Opto-Electronics Review /sx Online publication date: January Méndez A.

Csipkes A. "Overview of Fiber Optic Sensors for NDT Applications. This book is the first to address the field of structurally integrated fiber optic sensors. Fiber optic sensors embedded within materials and systems are able to measure a variety of parameters (i.e. temperature, vibration, deformation, strain, etc.) that allows for real time non-destructive evaluation.

Examples include the following: monitoring structural fatigue in aging aircraft or loads in. An Electromagnetic Sensor with a Metamaterial Lens for Nondestructive Evaluation of Composite Materials.

Pepe G.P. Eddy Current Technique Based on SQUID and GMR Sensors for Non-Destructive Evaluation of Fiber/Metal Laminates.

IEEE Trans. Appl. Supercond. ; – doi: /TASC Cited by: BRAGG GRATING OPTICAL SENSORS In the present study, Fiber Bragg grating sensors were embedded in the composite patches, to trace the mechanical field variations.

The field variations, for simplicity reasons, were assumed mechanical only, decoupled from any thermal effect, by keeping the environmental conditions stable during the experimental study. Both methods allow the visualization of the internal structure and hence allow identification of the type and the extent of damage.

Fiber optic sensors (especially fiber Bragg grating (FBG)) due to their small diameter and no need of calibration can be permanently integrated within the sample and applied for continuous dynamic strain universityofthephoenix.com by: 4. Full text of "NASA Technical Reports Server (NTRS) Optical fiber sensors for the non-destructive evaluation of materials" See other formats.

Considering the damage that composite material under loading may occur, acoustic emission (AE) technique is adopted to perform non-destructive evaluation (NDE). In order to obtain the acoustic emission emitted from the composite material, a novel fiber optic AE sensor which is based on single mode fiber optical fused-tapered coupler design is universityofthephoenix.com: Jun Cai Hao, Jin Wang, Yue Min Yu.

Trends in Optical Non-Destructive Testing and Inspection by Daniele Inaudi,available at Book Depository with free delivery worldwide. Get this from a library. Optical sensors and microsystems: new concepts, materials, technologies.

[S Martellucci; A N Chester; Anna Grazia Mignani;] -- Proceedings of the 22nd Course of the International School of Quantum Electronics, held 27 November-2 Decemberin Erice, Italy. In recent years, fiber optical sensors and optical microsystems.

The application of optical fiber sensors in advanced fiber reinforced composites. Meltz, G. and Dunphy, J. R. () Fibre optic sensor for the non-destructive evaluation of composite materials.

state measurements using conventional and absolute optical fibre-based extrinsic Fabry-Perot interferometric strain sensors. Journal of Smart Cited by: 3.May 01,  · The paper presents methods for testing the composite materials using two types of fiber-optic sensors as well as a method for using radiation of the vertical-cavity emitting laser radiation (VCSEL) for checking the material deformation and its performances.

The deformation checking sensor is a fiber Bragg grating (FBG) with a spectrum width of 50 pm, which is interrogated by the universityofthephoenix.com: Mikhail E.

Efimov, Sergey A. Volkovskiy, Andrei V. Kulikov, Vladimir E. Strigalev.This paper will report on the results of tests carried out to demonstrate the applicability of optical fibre sensors as a non-destructive evaluation technique. So-called Bragg-sensors, which serve as an internal strain gauge, have been succesfully embedded into composite specimens made of carbon fibre reinforced epoxy prepreg.

It is shown that these sensors can be succesfully used for static.