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Publications associées (29)

First-Principles Photoemission Spectroscopy and Orbital Tomography in Molecules from Koopmans-Compliant Functionals

Nicola Marzari, Giovanni Borghi, Andrea Ferretti

The determination of spectral properties from first principles can provide powerful connections between microscopic theoretical predictions and experimental data, but requires complex electronic-structure formulations that fall outside the domain of applic ...

Amer Physical Soc2015

Quenching the scintillation in CF4 Cherenkov gas radiator

Christoph Frei

CF4 is used as a Cherenkov gas radiator in one of the Ring Imaging Cherenkov detectors at the LHCb experiment at the CERN Large Hadron Collider. CF4 is well known to have a high scintillation photon yield in the near and far VUV, UV and in the visible wave ...

Elsevier Science Bv2015

Instrumental correction of the uneven PMT aging effect on the calibration constant of a water vapor Raman lidar

Valentin Simeonov, Bertrand Calpini, Salomon Fastig

The water vapor profile derived from Raman lidar measurements is obtained by taking the ratio of water vapor and nitrogen Raman-shifted signals. The proportionality factor that converts the signal ratio to water vapor/air mixing ratio is referred to as lid ...

Spie-Int Soc Optical Engineering2014

Scintillation detectors based on silicon microfluidic channels

Philippe Renaud, Alessandro Mapelli, Pietro Maoddi

Microfluidic channels obtained by SU-8 photolithography and filled with liquid scintillators were recently demonstrated to be an interesting technology for the implementation of novel particle detectors. The main advantages of this approach are the intrins ...

Institute of Physics2014

Fabrication and characterization of monolithically integrated microchannel plates based on amorphous silicon

Christophe Ballif, Jonas Geissbühler, Nicolas Würsch, Andrea Franco

Microchannel plates are vacuum-based electron multipliers for particle—in particular, photon— detection, with applications ranging from image intensifiers to single-photon detectors. Their key strengths are large signal amplification, large active area, mi ...

Nature Publishing Group2014

Quantum-Limited Amplification and Parametric Instability in the Reversed Dissipation Regime of Cavity Optomechanics

Tobias Kippenberg, Vivishek Sudhir

Cavity optomechanical phenomena, such as cooling, amplification, or optomechanically induced transparency, emerge due to a strong imbalance in the dissipation rates of the parametrically coupled electromagnetic and mechanical resonators. Here we analyze th ...

American Physical Society2014

Photosynthetic reaction centre/carbon nanotube bundle composites

László Forró, Arnaud Magrez, Endre Horvath, Klara Hernadi

Since their discovery, carbon nanotubes (CNTs) have attracted intense attention to broad range of potential applications. In contrast to the 1D isolated single-walled carbon nanotubes (SWCNT), 2D films or bundles made of thousands of tubes have been introd ...

Wiley-V C H Verlag Gmbh2014

A 65k pixel, 150k frames-per-second camera with global gating and micro-lenses suitable for fluorescence lifetime imaging

Edoardo Charbon, Claudio Bruschini, Samuel Burri, Francesco Regazzoni, François Eric Powolny

This paper presents our work on a 65k pixel single-photon avalanche diode (SPAD) based imaging sensor realized in a 0.35 mu m standard CMOS process. At a resolution of 512 by 128 pixels the sensor is read out in 6.4ps to deliver over 150k monochrome frames ...

Spie-Int Soc Optical Engineering2014

Design and operation of FACT - the first G-APD Cherenkov telescope

Mathieu Ribordy, Werner Lustermann, Thomas Günther Bretz, Camille Haller

The First G-APD Cherenkov Telescope (FACT) is designed to detect cosmic gamma-rays with energies from several hundred GeV up to about 10 TeV using the Imaging Atmospheric Cherenkov Technique. In contrast to former or existing telescopes, the camera of the ...

Iop Publishing Ltd2013

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