693.932 PEOPLE
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Kočí, Jan | Prague |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Niewczas, Pawel
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2023Development of Fiber Bragg grating strain amplification sensor for use in nuclear power plants
- 2023Design and implementation of a passive autoranging circuit for hybrid FBG-PZT photonic current transducercitations
- 2022Construction and evaluation of an optical medium voltage transducer module aimed at a 132 kV optical voltage sensor for WAMPAC systemscitations
- 2020Photonic voltage transducer with lightning impulse protection for distributed monitoring of MV networkscitations
- 2018Design and demonstration of a low-cost small-scale fatigue testing machine for multi-purpose testing of materials, sensors and structurescitations
- 2017Comparison of epoxy and braze-welded attachment methods for FBG strain gauges
- 2017Optical voltage sensor for MV networkscitations
- 2016First-time demonstration of measuring concrete prestress levels with metal packaged fibre optic sensorscitations
- 2016First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors
- 2015Identifying fabrication defects of metal packaged fibre Bragg grating sensors for smart pre-stressing strandscitations
- 2013Induction brazing of Type-I fiber Bragg gratings into Kovar ferrules exploiting Curie transitioncitations
- 2012Towards the development of a downhole optical voltage sensor for monitoring electrical submersible pumpscitations
- 2012Mechanical strength of silica fiber splices after exposure to extreme temperaturescitations
- 2011Induction heating assisted optical fiber bonding and sealing techniquecitations
- 2011Preliminary evaluation of a high-pressure, high-temperature downhole optical sensorcitations
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article
Induction brazing of Type-I fiber Bragg gratings into Kovar ferrules exploiting Curie transition
Abstract
While soldering fiber Bragg gratings into ferrules may allow them to overcome their inherent mechanical and chemical weaknesses, the high temperatures required to achieve reliable encapsulation can result in decreased grating reflectivity. In this paper, finite element models and data from on-line temperature measurements of regenerated gratings during induction heating are analyzed. The results are used to design and implement an optimized methodology, which allows standard, type-I gratings to be brazed into ferrules with high-temperature solders, while ensuring low reflectivity losses.