Publications associées à Télescope à miroir liquide

Inhibition of the Emission of Electromagnetic Modes of Photonic Crystal Cavities with a Top Mirror

By imaging the angular spectrum of optical modes confined within subwavelength volumes, we investigate the impact of metallic and dielectric surrounding layers on the optical emission properties of planar silicon photonic crystal cavity. By scanning a mirr ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

Study of the twinned dendrite tip shape I : Phase-field modeling

Michel Rappaz, Jean-Luc Desbiolles, Mario Alberto Salgado Ordorica

The growth kinetics advantage of twinned aluminum dendrites over regular ones is still an unsolved problem of solidification. Although it is linked to the tip geometry, the influence of a coherent (1 1 1) twin plane on a < 1 1 0 > twinned dendrite tip is u ...

Elsevier2011

Influence of anisotropy on heterogeneous nucleation

Michel Rappaz, Aurèle Mariaux

Heterogeneous nucleation is governed by the interplay of interfacial energies between a substrate, a solid and a liquid. Although the intensity of these energies can strongly change with the orientation of the nucleus for anisotropic media, this parameter ...

Elsevier2011

Spectral phase, amplitude, and spatial modulation from ultraviolet to infrared with a reflective MEMS pulse shaper

Nico de Rooij, Wilfried Noell, Jean-Pierre Wolf, Jérôme Extermann, Fabio Jutzi, Sébastien Lani, Luigi Bonacina

We describe the performance of a reflective pulse-shaper based on a Micro-ElectroMechanical System (MEMS) linear mirror array. It represents a substantial upgrade of a preceding release [Opt. Lett. 35, 3102 (2010)] as it allows simultaneous piston and tilt ...

Optical Society of America2011

FACT-The first Cherenkov telescope using a G-APD camera for TeV gamma-ray astronomy

Werner Lustermann, Mathieu Ribordy, Thomas Günther Bretz

Geiger-mode Avalanche Photodiodes (G-APD) bear the potential to significantly improve the sensitivity of Imaging Air Cherenkov Telescopes (IACT). We are currently building the First G-APD Cherenkov Telescope (FACT) by refurbishing an old IACT with a mirror ...

2011

Realization and Characterization of MEMS-Based Programmable Slit Mask for Multi-Object Spectroscopy

Nico de Rooij, Michael David Canonica, Wilfried Noell

Multi-object spectroscopy (MOS) is a powerful tool for space and ground-based telescopes for studying the formation of galaxies. This technique requires a programmable slit mask for astronomical object selection. A first sample of MEMS-based programmable r ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2010

Development of MEMS-based programmable slit mask for Multi-Object Spectroscopy

Nico de Rooij, Michael David Canonica, Wilfried Noell

We are developing MEMS-based programmable reflective slit masks for future generation infrared multi-object spectroscopy (MOS) for space and ground-based telescopes. These devices are composed of monocrystalline silicon micromirrors of size 200 x 100 um(2) ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2010

Determination of a scale-up factor from mixing time studies in orbitally shaken bioreactors

Christos Comninellis, Florian Maria Wurm, Mohamed Farhat, David Hacker, Stéphanie Tissot

Efficient mixing in bioreactors is essential in order to avoid concentration gradients which can be harmful for mammalian cells. To study mixing and its scalability in orbitally shaken cylindrical bioreactors, we measured mixing times in containers with no ...

Elsevier2010

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Télescope à miroir liquide

Inhibition of the Emission of Electromagnetic Modes of Photonic Crystal Cavities with a Top Mirror

Study of the twinned dendrite tip shape I : Phase-field modeling

Influence of anisotropy on heterogeneous nucleation

Phase diagram and continuous pair-unbinding transition of the bilinear-biquadratic S=1 Heisenberg chain in a magnetic field

Spectral phase, amplitude, and spatial modulation from ultraviolet to infrared with a reflective MEMS pulse shaper

FACT-The first Cherenkov telescope using a G-APD camera for TeV gamma-ray astronomy

Realization and Characterization of MEMS-Based Programmable Slit Mask for Multi-Object Spectroscopy

Development of MEMS-based programmable slit mask for Multi-Object Spectroscopy

Determination of a scale-up factor from mixing time studies in orbitally shaken bioreactors

Geometrical Monte Carlo model of liquid-phase sintering

Graph Chatbot

Chattez avec Graph Search

Geometrical Monte Carlo model of liquid-phase sintering

Spectral phase, amplitude, and spatial modulation from ultraviolet to infrared with a reflective MEMS pulse shaper

FACT-The first Cherenkov telescope using a G-APD camera for TeV gamma-ray astronomy

Determination of a scale-up factor from mixing time studies in orbitally shaken bioreactors

Development of MEMS-based programmable slit mask for Multi-Object Spectroscopy

Inhibition of the Emission of Electromagnetic Modes of Photonic Crystal Cavities with a Top Mirror

Study of the twinned dendrite tip shape I : Phase-field modeling

Phase diagram and continuous pair-unbinding transition of the bilinear-biquadratic S=1 Heisenberg chain in a magnetic field

Realization and Characterization of MEMS-Based Programmable Slit Mask for Multi-Object Spectroscopy

Influence of anisotropy on heterogeneous nucleation