Results 261 to 270 of about 140,039 (279)

Collective spectral properties of Raman scattering

Physica A: Statistical Mechanics and its Applications, 1987
Abstract The theory of collective Raman scattering has been developed by using the quantum-mechanical master-equation approach and secular approximation. The influence of the frequency detuning of resonance and other parameters on the collective spectral properties of scattered light is investigated.
N.N. Bogolubov, A.S. Shumovsky, Tran Quang   +2 more
openaire   +1 more source

Collective Light Scattering: An Introduction

1994
Light scattering is one of the most common diagnostics of every day’s life. In addition to the object to be looked at, it requires only two devices, a light source, and a detector, which are both provided by the sun and the eye. The sun light that is scattered by solid body outer surfaces gives the first information we have of our environment.
Dominique M. Grésillon, Cyril Honoré
openaire   +1 more source

Collective free-carrier scattering in semiconductors

Physical Review B, 2001
We present an analysis of an undoped semiconductor strongly pumped by a coherent electromagnetic radiation field. The free-carrier dynamics and the incident and scattered fields are described classically and self-consistently. The analysis predicts the existence of a collective instability which simultaneously generates a strong free-carrier grating ...
Robb, G.R.M., McNeil, B.W.J., Galbraith, I., Jaroszynski, D.A.   +3 more
openaire   +2 more sources

Structuring collections with Scatter/Gather extensions

Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval, 2008
A major component of sense-making is organizing--grouping, labeling, and summarizing--the data at hand in order to form a useful mental model, a necessary precursor to identifying missing information and to reasoning about the data. Previous work has shown the Scatter/Gather model to be useful in exploratory activities that occur when users encounter ...
Omar Alonso, Justin Talbot
openaire   +1 more source

Efficient collection of Raman-scattered light

Review of Scientific Instruments, 1982
The design and implementation of a device used for Raman-scattering experiments are reported. This device, namely an optically reflecting bulb, has been found to serve as an efficient collector of light scattered by a sample located at its center.
Daniel J. Graham, Richard A. Mushlin
openaire   +1 more source

Collective Resonances in Pion-Nucleus Scattering

Physical Review Letters, 1978
Pion-nucleus scattering is described by the excitation of bound nucleons into the ..delta.. resonance leading to isobaric resonances of the whole nucleus. A few broad collective resonances of different multipolarity are shown to dominate elastic and inelastic ..pi..-/sup 12/C scattering.
K. Klingenbeck, M. Dillig, M. G. Huber
openaire   +1 more source

Coherent neutron scattering and collective dynamics on mesoscale

The Journal of Chemical Physics, 2013
By combining, and modestly extending, a variety of theoretical concepts for the dynamics of liquids in the supercooled regime, we formulate a simple analytic model for the temperature and wavevector dependent collective density fluctuation relaxation time that is measurable using coherent dynamic neutron scattering.
V N, Novikov, K S, Schweizer, A P, Sokolov   +2 more
openaire   +2 more sources

Collection optics design for KSTAR Thomson scattering system

Review of Scientific Instruments, 2010
The collection optics designs are described for the Thomson scattering diagnostic of the Korea superconducting tokamak advanced research (KSTAR) device. The optical systems collecting the light emission induced through the interaction between the plasma electrons and a laser beam are key components for the Thomson scattering system.
S, Oh, J H, Lee
openaire   +2 more sources

Collective processes during stimulated light scattering

Optics and Spectroscopy, 2013
An approach to the analysis of the phase conjugation by stimulated light scattering that is alternative to the mode theory of 3D hologram, which is usually applied for these purposes, has been studied. As is known, the use of the mode theory is based on the phenomenological gain factor of the Stokes wave, which is induced by a pump wave in a nonlinear ...
openaire   +1 more source

Collective Scattering by Thermal Fluctuations in FTU.

1995
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Tartari U., Orsitto F., Suvorov
openaire   +3 more sources