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Fibre Distributed Sensing for a More Secure Society

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Guideline for Use of Fibre Optic Sensors

Luc Thévenaz

Development of standards and guidelines for performance specifications and testing for fibre optic sensors has been discussed since the mid-nineties of the last century in the scientific community as well as in the industry. Very global standards for the u ...

2009

Recent progress in Brillouin distributed fibre sensing

Luc Thévenaz

This paper will review some recent progresses related to distributed optical fibre sensing using Brillouin Optical Time-Domain Analysis (BOTDA) towards increased performance in range, resolution and acquisition time. Since optical fibre sensing will certai ...

Nanjing University2007

Fibre Distributed Sensing for a More Secure Society

Luc Thévenaz

Brillouin time-domain analysis in optical fibres is a novel technique making possible a distributed measurement of temperature and strain over long distance and will deeply modify our view about monitoring large structures, such as dams, bridges, tunnels a ...

Wroclaw University of Technology2006

Advanced trends in nonlinear optics applied to distributed optical-fibre sensors

Dario Alasia

The distributed optical-fibre sensors based on the properties of Brillouin scattering is the central object of this thesis. In the past decade, optical fibres have gained a large interest as sensors: attractive solutions based on the non-linear stimulated ...

EPFL2006

Optical Fibres for a More Secure Society

Luc Thévenaz

The 21th Century COE in Electrical Engineering and Electronics for the Active and Creative World, The University of Tokyo2005

Construction material monitoring with "optical hair" hygrometers

Pascal Kronenberg

Moisture is an essential parameter in the behaviour of capillary-porous construction materials such as timber and concrete. It affects liquid and gas transport phenomena, chemical and biological degradation processes, mechanical properties and, in the case ...

EPFL2003

Monitoring of large structures for safety issues using Brillouin distributed sensing

Luc Thévenaz

IECE2003

Reliability and lifetime of optical fibres and fibre bragg gratings for metrology and telecommunications

This thesis presents new developments on the different intrinsic failure mechanisms of silica optical fibres and fibre Bragg gratings with regard to applications in the fields of telecommunications and metrology. These failure mechanisms are mainly due to ...

EPFL2001

Field tests of distributed temperature and strain measurement for smart structures

Luc Thévenaz, Philippe Robert, Alexandre Fellay

IEEE2001