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Dielectric constant distribution
|Internal reflections and refraction on the flat surfaces of ice crystals leads to scattering in particular directions and explains various optical phenomena in ice clouds.|
This is an animation of the component of the electric field out of the plane of the page.
The direction in which energy is travelling at any instant is proportional to the cross product of the electric and magnetic fields, known as the Poynting vector. The arrows show the direction of the Poynting vector averaged over the simulation, while the colours show its strength.