Concept

Plane of incidence

Publications associées (64)

Les Matériaux Actifs à Propriétés Acoustiques Variables

This work deals with the concept of active materials with variable acoustic properties, dedicated to room acoustics applications. This concept is based on an acoustic impedance active control principle by hybrid motionnal feedback, applied on an electroaco ...

Université du Maine2002

Surface reactivity of highly vibrationally excited molecules prepared by pulsed laser excitation: CH4 (2 nu(3)) on Ni(100)

Thomas Rizzo, Rainer Beck, Plinio Maroni, Mathieu Schmid

We report state resolved sticking coefficients for highly vibrationally excited CH4 on Ni(100) at well-defined kinetic energies in the range of 12-72 kJ/mol. Incident methane molecules are prepared by pulsed laser radiation in single rovibrational levels o ...

2002

Fabrication of GaN photonic crystals for 400 nm wavelength

Nicolas Grandjean, Yixing Chen

We report on results of the fabrication and the micro-reflectance measurement of GaN photonic crystals. The etching performance of GaN has been studied with a conventional reactive ion etching system and SiCl4 plasma. We obtained an etch rate of 100 nm/min ...

2001

Polarization Dependence of 2-Photon Transitions in Quantum-Wells

Alfredo Pasquarello

We give explicity the polarization dependence of two-photon subband-subband transitions in semiconductor quantum wells. We consider transitions from heavy-hole subbands as well as from light-hole subbands. We study the polarization dependence in the case o ...

1991

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