Mie theory | Wikipedia audio article
Channel: wikipedia tts
Date: 30/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Mie_scattering


00:01:26 1 Introduction
00:03:31 2 Computational codes
00:05:02 3 Approximations
00:05:11 3.1 Rayleigh approximation (scattering)
00:09:15 3.2 Rayleigh–Gans approximation
00:09:42 3.3 Anomalous diffraction approximation of van de Hulst
00:11:32 4 Applications
00:12:10 4.1 Atmospheric science
00:12:44 4.2 Cancer detection and screening
00:13:05 4.3 Magnetic particles
00:13:56 4.4 Metamaterial
00:15:58 4.5 Particle sizing
00:16:53 4.6 Parasitology
00:17:10 5 Extensions
00:17:43 6 See also



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SUMMARY
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The Mie solution to Maxwell's equations (also known as the Lorenz–Mie solution, the Lorenz–Mie–Debye solution or Mie scattering) describes the scattering of an electromagnetic plane wave by a homogeneous sphere. The solution takes the form of an infinite series of spherical multipole partial waves. It is named after Gustav Mie.
The term Mie solution is also used for solutions of Maxwell's equations for scattering by stratified spheres or by infinite cylinders, or other geometries where one can write separate equations for the radial and angular dependence of solutions. The term Mie theory is sometimes used for this collection of solutions and methods; it does not refer to an independent physical theory or law. More broadly, "Mie scattering" suggests situations where the size of the scattering particles is comparable to the wavelength of the light, rather than much smaller or much larger.
Mie scattering (sometimes referred to as a non-molecular or aerosol particle scattering) takes place in the lower 4.5 km of the atmosphere, where there may be many essentially spherical particles present with diameters approximately equal to the size of the wavelength of the incident energy. Mie scattering theory has no upper size limitation, and converges to the limit of geometric optics for large particles.