Concept

Mie scattering

Related publications (277)

Resonant Rayleigh scattering versus incoherent luminescence in semiconductor microcavities

Romuald Houdré, Benoît Marie Joseph Deveaud, Ursula Oesterle

It is demonstrated that during the first few picoseconds after resonant femtosecond excitation the secondary radiation from a strongly coupled semiconductor microcavity containing one quantum well is dominated by Rayleigh scattered light. At early times af ...

1998

Electromagnetic scattering in polarizable backgrounds

Olivier Martin

We develop a fully vectorial formalism for the investigation of electromagnetic scattering in polarizable backgrounds, i.e., where the scatterers are not in vacuum but situated in a medium with a dielectric permittivity different from unity. Our approach i ...

1998

Dephasing of strongly coupled exciton-photon systems

Romuald Houdré, Marc Ilegems, Ursula Oesterle, Liza Carol Andrea Dunbar

The coherent dynamics of cavity-polaritons are investigated using the four-wave-mixing technique. A series of experiments on four samples operating in both the weak and strong coupling regimes were performed to study the influence of strong coupling on the ...

1998

Marginal direct climate forcing by atmospheric aerosols

Athanasios Nenes, Spyros Pandis

Previous research on the direct effect of atmospheric aerosols on climate has estimated the average radiative forcing per unit sulfate mass, and has used this average to calculate the magnitude and spatial distribution of sulfate forcing. In this paper, we ...

Elsevier Sci Ltd1998

Extension of the generalized multipole technique to anisotropic medias

Olivier Martin

This paper presents an extension of the generalized multipole technique (GMT) for 2D anisotropic scatterers. New expansions similar to the Bessel multipole expansion are derived for arbitrary anisotropic media. Numerical simulations prove the accuracy and ...

Elsevier1998

Femtosecond dynamics of secondary radiation formation from quantum well excitons

Benoît Marie Joseph Deveaud

The time-resolved secondary emission of resonantly created excitons in GaAs quantum wells is studied using femtosecond up-conversion spectroscopy. The behaviour of the rise and decay of the secondary emission and reflectivity in quantum welts is strongly d ...

1998

Local optical characterization of biological tissues in vitro and in vivo

Two methods for measuring the optical properties of tissue, i.e. reduced scattering and absorption coefficient, were developed. The first one was designed for in vitro investigations. It is based on the measurement of the spatially resolved transmittance t ...

EPFL1998

Spectral simulations of electromagnetic wave scattering

Jan Sickmann Hesthaven

This paper present a multidomain pseudospectral method for accurately solving Maxwell's equations in the time domain. The scheme is developed for computing scattering by two-dimensional smooth perfectly conducting objects like circular or elliptic cylinder ...

ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS1997

Growth, microstructure and sintering behavior of nanosized silicon powders

Christoph Hollenstein, Heinrich Hofmann

The growth and properties of nanosized silicon particles produced by gas-phase reaction in a low-pressure silane plasma has been studied. In situ ion-mass spectroscopy and Mie scattering measurements were used to monitor the formation of powders. High reso ...

1997

Resonant femtosecond emission from quantum well excitons: The role of Rayleigh scattering and luminescence

Benoît Marie Joseph Deveaud

We study the ultrafast properties of secondary radiation of semiconductor quantum wells under resonant excitation. We show that the exciton density dependence allows one to identify the origin of secondary radiation. At high exciton densities, the emission ...

1997

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