Results 251 to 260 of about 285,117 (308)
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Applied Optics, 1999
We demonstrate a new design for a light-scattering microscope that is convenient to use and that allows simultaneous imaging and light scattering. The design is motivated by the growing use of thermal fluctuations to probe the viscoelastic properties of complex inhomogeneous environments.
P D, Kaplan, V, Trappe, D A, Weitz
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We demonstrate a new design for a light-scattering microscope that is convenient to use and that allows simultaneous imaging and light scattering. The design is motivated by the growing use of thermal fluctuations to probe the viscoelastic properties of complex inhomogeneous environments.
P D, Kaplan, V, Trappe, D A, Weitz
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Electrophoretic light scattering
ELECTROPHORESIS, 1993AbstractUnder a microscope, electrophoretic mobilities of visible particles can be determined in a free solution without any boundary or zonal separation. Electrophoretic light scattering based on the Doppler velocimetry can be taken as a nanometer‐scale version of the above traditional electrophoresis. An electrophoretic light scattering apparatus was
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1998
So far the propagation of light was assumed to be straight or, at most, straight with a discontinuous change in the direction of propagation at a flat boundary between two media with different indices of refraction. Straight propagation of light holds only as long as the medium is homogeneous.
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So far the propagation of light was assumed to be straight or, at most, straight with a discontinuous change in the direction of propagation at a flat boundary between two media with different indices of refraction. Straight propagation of light holds only as long as the medium is homogeneous.
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1990
Abstract Until now we have been concerned with flows of gases under the influence of externally imposed thermodynamic forces, such as a temperature gradient. Special attention has been paid to the respective transport coefficients and to their changes caused by external fields.
Frederick R W Mccourt +3 more
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Abstract Until now we have been concerned with flows of gases under the influence of externally imposed thermodynamic forces, such as a temperature gradient. Special attention has been paid to the respective transport coefficients and to their changes caused by external fields.
Frederick R W Mccourt +3 more
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The Scattering of Light by Light
Physical Review, 1951Cross sections for several processes involving electromagnetic fields in a nonlinear manner are derived from the electrodynamic scattering matrix and are expressed in terms of the fourth-order nonlinear vacuum polarization tensor. The differential cross section for the scattering of light by light is calculated as a function of energy and angle ...
Karplus, Robert, Neuman, Maurice
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Physics Today, 1950
The recent revival of interest in light scattering, initiated by Debye and others, is principally due to its usefulness for studying large molecules, such as those of proteins or synthetic high polymers.
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The recent revival of interest in light scattering, initiated by Debye and others, is principally due to its usefulness for studying large molecules, such as those of proteins or synthetic high polymers.
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A roadmap for the commercialization of perovskite light emitters
Nature Reviews Materials, 2022, Richard Friend, Edward H Sargent
exaly