Publications related to Gain vs phase in BOTDA setups

Phase transitions in full counting statistics for periodic pumping

We discuss the problem of full counting statistics for periodic pumping. The probability generating function is usually defined on a circle of the "physical" values of the counting parameter, with its periodicity corresponding to charge quantization. The e ...

2010

Phase-resolved imaging of confined exciton-polariton wave functions in elliptical traps

Benoît Marie Joseph Deveaud, Gaël Nardin, François Morier-Genoud, Barbara Pietka

We study the wave functions of exciton polaritons trapped in the elliptical traps of a patterned microcavity. A homodyne detection setup with numerical off-axis filtering allows us to retrieve the amplitude and the phase of the wave functions. Doublet stat ...

2010

Dynamics and Thermodynamics of a Novel Phase of NaAlH4

Nicola Marzari

We characterize a novel orthorhombic phase (gamma) of NaAlH4, discovered using first-principles molecular dynamics, and discuss its relevance to the dehydrogenation mechanism. This phase is close in energy to the known low-temperature structure and becomes ...

2009

Solidification Behaviour Of PLLA/nHA Nanocomposites

Pierre-Etienne Bourban, John Christopher Plummer, Claire Diane Delabarde

PLLA crystallization rates increase with nHA content owing to increased nucleation, which compensates a decrease in spherulite growth rate, G, at 100 to 130 °C, and to suppression of the twin peak in G(T) seen in pure PLLA, linked to a transition from the ...

2009

Optimized configuration for high resolution distributed sensing using Brillouin echoes

Luc Thévenaz, Stella Foaleng Mafang

A novel configuration has been developed to optimize the response of Brillouin echoes for distributed fibre sensing. Fully resolved measurements of the Brillouin frequency shift of a 5cm spot perturbation have been performed using a 500 ps (5cm) pulse widt ...

SPIE2009

Results of the first phase of the d-Rank project

Martin Rajman, Martin Veselý

In the present report we describe the research work that has been carried out in the scope of the first 2 year phase of the d-Rank project. ...

2008

All the Disorder Mechanisms in the 13:58 Phases Come Together. Out of the Modulated Confusion Rises the Remarkable Phase Ce12.60Cd58.68(2)

The compound

Ce_{12.60}Cd_{58.68(2)}

is a metrically commensurate representative of the incommensurately modulated phase

Ce_{13}Cd_{57+\delta}

. It is most likely a lock-in phase. The structure, which was solved using seeding of the modulation from thos ...

2008

Structure and thermal stability of arc evaporated (Ti0.33Al0.67)(1-x)SixN thin films

(Ti0.33Al0.67)(1-x)SixN (0

2008

Modeling two-phase flows on moving domains

Matthias Preisig

Mudflows are catastrophic events that cause immense damage to infrastructure and life every year. Local authorities have been trying to mitigate the risk by zoning regulations as well as by building protection structures for many years. These measures have ...

EPFL2008

Optical pulse coding applied to distributed temperature sensor using coherent detection of spontaneous Brillouin frequency shift

A 53-km Simplex-coded distributed temperature sensor based on coherent detection of Brillouin frequency shift is demonstrated with 1.1 K and 35 m resolutions, using only 10 mW input peak power. ...

IEEE2008

Gain vs phase in BOTDA setups

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Phase transitions in full counting statistics for periodic pumping

Phase-resolved imaging of confined exciton-polariton wave functions in elliptical traps

Dynamics and Thermodynamics of a Novel Phase of NaAlH4

Solidification Behaviour Of PLLA/nHA Nanocomposites

Optimized configuration for high resolution distributed sensing using Brillouin echoes

Results of the first phase of the d-Rank project

All the Disorder Mechanisms in the 13:58 Phases Come Together. Out of the Modulated Confusion Rises the Remarkable Phase Ce12.60Cd58.68(2)

Structure and thermal stability of arc evaporated (Ti0.33Al0.67)(1-x)SixN thin films

Modeling two-phase flows on moving domains

Optical pulse coding applied to distributed temperature sensor using coherent detection of spontaneous Brillouin frequency shift

Phase transitions in full counting statistics for periodic pumping

Phase-resolved imaging of confined exciton-polariton wave functions in elliptical traps

Results of the first phase of the d-Rank project

Solidification Behaviour Of PLLA/nHA Nanocomposites

Dynamics and Thermodynamics of a Novel Phase of NaAlH4

Optimized configuration for high resolution distributed sensing using Brillouin echoes

All the Disorder Mechanisms in the 13:58 Phases Come Together. Out of the Modulated Confusion Rises the Remarkable Phase Ce12.60Cd58.68(2)

Structure and thermal stability of arc evaporated (Ti0.33Al0.67)(1-x)SixN thin films

Modeling two-phase flows on moving domains

Optical pulse coding applied to distributed temperature sensor using coherent detection of spontaneous Brillouin frequency shift