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Due to Rayleigh scattering, red and orange colors are more visible during sunset because the blue and violet light has been scattered out of the direct path. Due to removal of such colors, these colors are scattered by dramatically colored skies and monochromatic rainbows. Rayleigh scattering results from the electric polarizability of the ...
The color of light from the sky is a result of Rayleigh scattering of sunlight, which results in a perceived blue color. On a sunny day, Rayleigh scattering gives the sky a blue gradient, darkest around the zenith and brightest near the horizon.
The apparent blue color of veins in skin is a common example where both spectral absorption and scattering play important and complex roles in the coloration. Light scattering can also create color without absorption, often shades of blue, as with the sky (Rayleigh scattering), the human blue iris, and the feathers of some birds (Prum et al. 1998).
Tyndall scattering, i.e. colloidal particle scattering, [7] is much more intense than Rayleigh scattering due to the bigger particle sizes involved. [ citation needed ] The importance of the particle size factor for intensity can be seen in the large exponent it has in the mathematical statement of the intensity of Rayleigh scattering.
Mie scattering (Why clouds are white) Metamerism as of alexandrite; Moiré pattern; Newton's rings; Phosphorescence; Pleochroism gems or crystals, which seem "many-colored" Rayleigh scattering (Why the sky is blue, sunsets are red, and associated phenomena) Reflection; Refraction; Sonoluminescence. Shrimpoluminescence; Synchrotron radiation
The Rayleigh sky model describes the observed polarization pattern of the daytime sky. Within the atmosphere, Rayleigh scattering of light by air molecules, water, dust, and aerosols causes the sky's light to have a defined polarization pattern. The same elastic scattering processes cause the sky to be blue.
Multiple-scattering effects of light scattering by particles are treated by radiative transfer techniques (see, e.g. atmospheric radiative transfer codes). The relative size of a scattering particle is defined by its size parameter x, which is the ratio of its characteristic dimension to its wavelength:
A third “probe” laser is incident at a wavelength at which the (complex) index of refraction n is different in the bright and dark regions of the interference pattern, so that the periodic variation in n serves as a diffraction grating for the probe beam. A photodetector is used to measure the diffracted light, and after the pump beams are ...