نتایج جستجو برای: Mie scattering theory

تعداد نتایج: 882201  

Journal: :journal of nanostructures 2013
v. fallahi a. khaledi-nasab

in this paper, the interaction between an oscillating dipole moment and a silver nanoparticle has been studied. our calculations are based on mie scattering theory and discrete dipole approximation(dda) method.at first, the resonance frequency due to excitingthe localized surface plasmons has been obtained using mie scattering theory and then by exciting a dipole moment in theclose proximity of...

A. Khaledi-Nasab V. Fallahi,

In this paper, the interaction between an oscillating dipole moment and a Silver nanoparticle has been studied. Our calculations are based on Mie scattering theory and discrete dipole approximation(DDA) method.At first, the resonance frequency due to excitingthe localized surface plasmons has been obtained using Mie scattering theory and then by exciting a dipole moment in theclose proximity of...

Bahram Abedi Ravan Mohsen Javaherian,

The Earth’s atmosphere is an environment replete with particles of differ-ent sizes with various refractive indices which affect the light radiation traveling through it. The Mie scattering theory is one of the well-known light scattering techniques ap-plicable to modeling of electromagnetic scattering from tiny atmospheric particles or aerosols floating in the air or within the clouds. In this...

عباس آذریان, , مجتبی میرسراجی, ,

In this paper, optical properties of Au–Ag spherical nanoalloy are investigated by means of Generalized Lorenz–Mie Theory (GLMT) when this nanoparticle is embedded into water. Scattering, extinction and absorption cross-sections of this nanoalloy into water are calculated by changes of incident wavelengths in visible and near infra-red region. Moreover, changes of height and wavelengths of exti...

2017
Romain Bachelard Philippe Courteille Robin Kaiser Nicola Piovella R. Bachelard

Despite the quantum nature of the process, collective scattering by dense cold samples of two-level atoms can be interpreted classically describing the sample as a macroscopic object with a complex refractive index. We demonstrate that resonances in Mie theory can be easily observable in the cooperative scattering by tuning the frequency of the incident laser field or the atomic number. The sol...

Journal: :Applied optics 2003
Philip Laven

Mie theory offers an exact solution to the problem of scattering of sunlight by spherical drops of water. Until recently, most applications of Mie theory to scattering of light were restricted to a single wavelength. Mie theory can now be used on modern personal computers to produce full-color simulations of atmospheric optical effects, such as rainbows, coronas, and glories. Comparison of such...

2009

Light scattering effects can be noticed every day when we look at the sky or the atmosphere. The main reason why the sky is blue on a sunny day is Rayleigh scattering (after Lord Rayleigh) of sunlight, i.e., the scattering of electromagnetic radiation by particles much smaller than the wavelength. However, for cloud and haze scattering, the Mie theory (after Gustav Mie) is very important where ...

2008
Thomas Wriedt

Electromagnetic scattering by a homogeneous, isotropic sphere is commonly referred to as Mie theory, although Gustav Mie (1868–1957) was not the first to formulate this electromagnetic scattering problem. Before him Alfred Clebsch (1833–72), solving the elastic point source scattering problem of a perfectly rigid sphere using potential functions [1], and Ludvig Lorenz (1829–91) [3, 2] contribut...

Journal: :Applied optics 1978
R W Spinrad J R Zaneveld H Pak

Narrow angle light scattering measurements were made for various sizes of spherical particles suspended in water. These were compared to calculated theoretical scattering values as derived from the theory of Mie (1908). Through measurements with different particle concentrations at angles between 0.2 degrees and 0.7 degrees the effect of the unscattered main beam light was removed. Results agre...

Journal: :Applied optics 1998
R L Lee

Compared with Mie scattering theory, Airy rainbow theory clearly miscalculates some monochromatic details of scattering by small water drops. Yet when monodisperse Airy theory is measured by perceptual (rather than purely physical) standards such as chromaticity and luminance contrast, it differs very little from Mie theory. Considering only the angular positions of luminance extrema, Airy theo...

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