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Dario Alasia

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Related publications (4)

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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

The effects of gamma-radiation on the properties of Brillouin scattering in standard Ge-doped optical fibres

Luc Thévenaz, Dario Alasia

We have experimentally studied the effects of gamma-radiation up to very high total doses on the physical properties of Brillouin scattering in standard commercially available optical fibres. A frequency variation of about 5 MHz for both Brillouin frequenc ...

IOP Publishing2006

Complete experimental characterization of stimulated Brillouin scattering in photonic crystal fiber

Luc Thévenaz, Dario Alasia

We provide a complete experimental characterization of stimulated Brillouin scattering in a 160 m long solid-core photonic crystal fiber, including threshold and spectrum measurements as well as positionresolved mapping of the Brillouin frequency shift. In ...

Optical Society of America2007

Mesure distribuée du gain d'un amplificateur paramétrique à fibre optique par rétro-diffusion Brillouin

Luc Thévenaz, Armand Vedadi-Comte, Dario Alasia

Nous avons réalisé, pour la première fois à notre connaissance, une mesure distribuée du gain paramétrique d’un amplificateur à fibre optique. La technique repose sur une analyse de la rétrodiffusion Brillouin dans le domaine temporel. Elle a permis de met ...

2006